diff --git a/calendar_public_holiday/README.rst b/calendar_public_holiday/README.rst
new file mode 100644
index 00000000..12dc8d26
--- /dev/null
+++ b/calendar_public_holiday/README.rst
@@ -0,0 +1,96 @@
+========================
+Calendar Holidays Public
+========================
+
+.. 
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! This file is generated by oca-gen-addon-readme !!
+   !! changes will be overwritten.                   !!
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! source digest: sha256:323fe101af3ba04c9322fb644c273896c1fb66484ed662a3ca0984279d457570
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+.. |badge1| image:: https://img.shields.io/badge/maturity-Beta-yellow.png
+    :target: https://odoo-community.org/page/development-status
+    :alt: Beta
+.. |badge2| image:: https://img.shields.io/badge/licence-AGPL--3-blue.png
+    :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
+    :alt: License: AGPL-3
+.. |badge3| image:: https://img.shields.io/badge/github-OCA%2Fcalendar-lightgray.png?logo=github
+    :target: https://github.com/OCA/calendar/tree/18.0/calendar_public_holiday
+    :alt: OCA/calendar
+.. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
+    :target: https://translation.odoo-community.org/projects/calendar-18-0/calendar-18-0-calendar_public_holiday
+    :alt: Translate me on Weblate
+.. |badge5| image:: https://img.shields.io/badge/runboat-Try%20me-875A7B.png
+    :target: https://runboat.odoo-community.org/builds?repo=OCA/calendar&target_branch=18.0
+    :alt: Try me on Runboat
+
+|badge1| |badge2| |badge3| |badge4| |badge5|
+
+This module handles public holidays.
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+Usage
+=====
+
+For adding public holidays:
+
+1. Go to the menu *Calendar > Public Holidays > Public Holidays*.
+2. Create your public holidays.
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/OCA/calendar/issues>`_.
+In case of trouble, please check there if your issue has already been reported.
+If you spotted it first, help us to smash it by providing a detailed and welcomed
+`feedback <https://github.com/OCA/calendar/issues/new?body=module:%20calendar_public_holiday%0Aversion:%2018.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.
+
+Do not contact contributors directly about support or help with technical issues.
+
+Credits
+=======
+
+Authors
+-------
+
+* Michael Telahun Makonnen
+* Tecnativa
+* Fekete Mihai (Forest and Biomass Services Romania)
+* Druidoo
+* Camptocamp
+* 
+
+Contributors
+------------
+
+-  [Trobz](https://trobz.com):
+
+   -  Do Anh Duy <<duyda@trobz.com>>
+
+Other credits
+-------------
+
+The creation of this module was financially supported by Camptocamp
+
+Maintainers
+-----------
+
+This module is maintained by the OCA.
+
+.. image:: https://odoo-community.org/logo.png
+   :alt: Odoo Community Association
+   :target: https://odoo-community.org
+
+OCA, or the Odoo Community Association, is a nonprofit organization whose
+mission is to support the collaborative development of Odoo features and
+promote its widespread use.
+
+This module is part of the `OCA/calendar <https://github.com/OCA/calendar/tree/18.0/calendar_public_holiday>`_ project on GitHub.
+
+You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.
diff --git a/calendar_public_holiday/__init__.py b/calendar_public_holiday/__init__.py
new file mode 100644
index 00000000..e68a3e61
--- /dev/null
+++ b/calendar_public_holiday/__init__.py
@@ -0,0 +1,5 @@
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from . import models
+from . import wizards
+from .hooks import pre_init_hook
diff --git a/calendar_public_holiday/__manifest__.py b/calendar_public_holiday/__manifest__.py
new file mode 100644
index 00000000..635462bf
--- /dev/null
+++ b/calendar_public_holiday/__manifest__.py
@@ -0,0 +1,30 @@
+# Copyright 2015 2011,2013 Michael Telahun Makonnen <mmakonnen@gmail.com>
+# Copyright 2020 InitOS Gmbh
+# Copyright 2024 Camptocamp
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+{
+    "name": "Calendar Holidays Public",
+    "summary": """
+        Manage Public Holidays
+    """,
+    "version": "18.0.1.0.0",
+    "license": "AGPL-3",
+    "category": "HR/Calendar",
+    "author": "Michael Telahun Makonnen, "
+    "Tecnativa, "
+    "Fekete Mihai (Forest and Biomass Services Romania), "
+    "Druidoo, "
+    "Odoo Community Association (OCA), "
+    "Camptocamp,",
+    "website": "https://github.com/OCA/calendar",
+    "depends": ["calendar"],
+    "external_dependencies": {"python": ["openupgradelib"]},
+    "data": [
+        "data/data.xml",
+        "security/ir.model.access.csv",
+        "views/calendar_public_holiday_view.xml",
+        "wizards/calendar_public_holiday_next_year_wizard.xml",
+    ],
+    "pre_init_hook": "pre_init_hook",
+}
diff --git a/calendar_public_holiday/data/data.xml b/calendar_public_holiday/data/data.xml
new file mode 100644
index 00000000..74bcb333
--- /dev/null
+++ b/calendar_public_holiday/data/data.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<!--Copyright 2024 Camptocamp
+    License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).-->
+<odoo>
+    <record id="event_type_holiday" model="calendar.event.type">
+        <field name="name">Public Holidays</field>
+    </record>
+</odoo>
diff --git a/calendar_public_holiday/hooks.py b/calendar_public_holiday/hooks.py
new file mode 100644
index 00000000..72f026ed
--- /dev/null
+++ b/calendar_public_holiday/hooks.py
@@ -0,0 +1,55 @@
+# Copyright 2024 Camptocamp
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from openupgradelib import openupgrade
+
+
+def migrate_rename_xmlid_event_type_holiday(env):
+    if not openupgrade.is_module_installed(env.cr, "hr_holidays_public"):
+        return
+    xmlid_renames = [
+        (
+            "hr_holidays_public.event_type_holiday",
+            "calendar_public_holiday.event_type_holiday",
+        ),
+    ]
+    openupgrade.rename_xmlids(env.cr, xmlid_renames)
+
+
+def migrate_rename_field_model_hr_holidays_public_line(env):
+    field_renames = [
+        (
+            "hr.holidays.public.line",
+            "hr_holidays_public_line",
+            "year_id",
+            "public_holiday_id",
+        ),
+    ]
+    openupgrade.rename_fields(env, field_renames, no_deep=True)
+
+
+def migrate_rename_model_hr_holidays_public_line(env):
+    if not openupgrade.table_exists(env.cr, "hr_holidays_public_line"):
+        return
+    model_renames = [("hr.holidays.public.line", "calendar.public.holiday.line")]
+    openupgrade.rename_models(env.cr, model_renames)
+    tables_renames = [("hr_holidays_public_line", "calendar_public_holiday_line")]
+    openupgrade.rename_tables(env.cr, tables_renames)
+
+
+def migrate_rename_model_hr_holidays_public(env):
+    if not openupgrade.table_exists(env.cr, "hr_holidays_public"):
+        return
+    model_renames = [
+        ("hr.holidays.public", "calendar.public.holiday"),
+    ]
+    openupgrade.rename_models(env.cr, model_renames)
+    tables_renames = [("hr_holidays_public", "calendar_public_holiday")]
+    openupgrade.rename_tables(env.cr, tables_renames)
+
+
+def pre_init_hook(env):
+    migrate_rename_xmlid_event_type_holiday(env)
+    migrate_rename_field_model_hr_holidays_public_line(env)
+    migrate_rename_model_hr_holidays_public_line(env)
+    migrate_rename_model_hr_holidays_public(env)
diff --git a/calendar_public_holiday/models/__init__.py b/calendar_public_holiday/models/__init__.py
new file mode 100644
index 00000000..a3e864da
--- /dev/null
+++ b/calendar_public_holiday/models/__init__.py
@@ -0,0 +1,4 @@
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from . import calendar_public_holiday
+from . import calendar_public_holiday_line
diff --git a/calendar_public_holiday/models/calendar_public_holiday.py b/calendar_public_holiday/models/calendar_public_holiday.py
new file mode 100644
index 00000000..3f2c8b51
--- /dev/null
+++ b/calendar_public_holiday/models/calendar_public_holiday.py
@@ -0,0 +1,128 @@
+# Copyright 2015 2011,2013 Michael Telahun Makonnen <mmakonnen@gmail.com>
+# Copyright 2020 InitOS Gmbh
+# Copyright 2024 Camptocamp
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+import datetime
+
+from odoo import api, fields, models
+from odoo.exceptions import ValidationError
+
+
+class ResourceCalendarPublicHoliday(models.Model):
+    _name = "calendar.public.holiday"
+    _description = "Calendar Public Holiday"
+    _rec_name = "year"
+    _order = "year desc"
+
+    year = fields.Integer(
+        "Calendar Year",
+        required=True,
+        default=lambda self: fields.Date.context_today(self).year,
+    )
+    line_ids = fields.One2many(
+        "calendar.public.holiday.line",
+        "public_holiday_id",
+        "Holiday Dates",
+    )
+    country_id = fields.Many2one("res.country", "Country")
+
+    @api.constrains("year", "country_id")
+    def _check_year(self):
+        for line in self:
+            line._check_year_one()
+
+    def _check_year_one(self):
+        if self.search_count(
+            [
+                ("year", "=", self.year),
+                ("country_id", "=", self.country_id.id),
+                ("id", "!=", self.id),
+            ]
+        ):
+            raise ValidationError(
+                self.env._(
+                    "You can't create duplicate public holiday per year and/or"
+                    " country"
+                )
+            )
+        return True
+
+    @api.depends("country_id")
+    def _compute_display_name(self):
+        for line in self:
+            if line.country_id:
+                line.display_name = f"{line.year} ({line.country_id.name})"
+            else:
+                line.display_name = line.year
+
+    def _get_domain_states_filter(self, pholidays, start_dt, end_dt, partner_id=None):
+        partner = self.env["res.partner"].browse(partner_id)
+        states_filter = [
+            ("public_holiday_id", "in", pholidays.ids),
+            ("date", ">=", start_dt),
+            ("date", "<=", end_dt),
+        ]
+        if partner and partner.state_id:
+            states_filter.extend(
+                [
+                    "|",
+                    ("state_ids", "in", partner.state_id.ids),
+                    ("state_ids", "=", False),
+                ]
+            )
+        else:
+            states_filter.append(("state_ids", "=", False))
+        return states_filter
+
+    @api.model
+    @api.returns("calendar.public.holiday.line")
+    def get_holidays_list(self, year=None, start_dt=None, end_dt=None, partner_id=None):
+        """Returns recordset of calendar.public.holiday.line
+        for the specified year and employee
+        :param year: year as string (optional if start_dt and end_dt defined)
+        :param start_dt: start_dt as date
+        :param end_dt: end_dt as date
+        :param partner_id: ID of the partner
+        :return: recordset of calendar.public.holiday.line
+        """
+        partner = self.env["res.partner"].browse(partner_id)
+        if not start_dt and not end_dt:
+            start_dt = datetime.date(year, 1, 1)
+            end_dt = datetime.date(year, 12, 31)
+        years = list(range(start_dt.year, end_dt.year + 1))
+        holidays_filter = [("year", "in", years)]
+        if partner:
+            if partner.country_id:
+                holidays_filter.append(
+                    ("country_id", "in", (False, partner.country_id.id))
+                )
+            else:
+                holidays_filter.append(("country_id", "=", False))
+        public_holidays = self.search(holidays_filter)
+        public_holiday_line = self.env["calendar.public.holiday.line"]
+        if not public_holidays:
+            return public_holiday_line
+        states_filter = self._get_domain_states_filter(
+            public_holidays, start_dt, end_dt, partner_id=partner.id
+        )
+        return public_holiday_line.search(states_filter)
+
+    @api.model
+    def is_public_holiday(self, selected_date, partner_id=None):
+        """
+        Returns True if selected_date is a public holiday for the employee
+        :param selected_date: datetime object
+        :param partner_id: ID of the partner
+        :return: bool
+        """
+        partner = self.env["res.partner"].browse(partner_id)
+        partner_id = partner.id if partner else None
+        holidays_lines = self.get_holidays_list(
+            year=selected_date.year, partner_id=partner_id
+        )
+        if holidays_lines:
+            hol_date = holidays_lines.filtered(lambda r: r.date == selected_date)
+            if hol_date:
+                return True
+        return False
diff --git a/calendar_public_holiday/models/calendar_public_holiday_line.py b/calendar_public_holiday/models/calendar_public_holiday_line.py
new file mode 100644
index 00000000..a207f14e
--- /dev/null
+++ b/calendar_public_holiday/models/calendar_public_holiday_line.py
@@ -0,0 +1,123 @@
+# Copyright 2015 2011,2013 Michael Telahun Makonnen <mmakonnen@gmail.com>
+# Copyright 2020 InitOS Gmbh
+# Copyright 2024 Camptocamp
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import SUPERUSER_ID, api, fields, models
+from odoo.exceptions import ValidationError
+
+
+class CalendarHolidaysPublicLine(models.Model):
+    _name = "calendar.public.holiday.line"
+    _description = "Calendar Public Holiday Line"
+    _order = "date, name desc"
+
+    name = fields.Char(required=True)
+    date = fields.Date(required=True)
+    public_holiday_id = fields.Many2one(
+        "calendar.public.holiday",
+        "Calendar Year",
+        required=True,
+        ondelete="cascade",
+    )
+    variable_date = fields.Boolean("Date may change", default=True)
+    state_ids = fields.Many2many(
+        "res.country.state",
+        "public_holiday_state_rel",
+        "public_holiday_line_id",
+        "state_id",
+        "Related States",
+    )
+    meeting_id = fields.Many2one(
+        "calendar.event",
+        string="Meeting",
+        copy=False,
+    )
+
+    @api.constrains("date", "state_ids")
+    def _check_date_state(self):
+        for line in self:
+            line._check_date_state_one()
+
+    def _get_domain_check_date_state_one_state_ids(self):
+        return [
+            ("date", "=", self.date),
+            ("public_holiday_id", "=", self.public_holiday_id.id),
+            ("state_ids", "!=", False),
+            ("id", "!=", self.id),
+        ]
+
+    def _get_domain_check_date_state_one(self):
+        return [
+            ("date", "=", self.date),
+            ("public_holiday_id", "=", self.public_holiday_id.id),
+            ("state_ids", "=", False),
+        ]
+
+    def _check_date_state_one(self):
+        if self.date.year != self.public_holiday_id.year:
+            raise ValidationError(
+                self.env._(
+                    "Dates of holidays should be the same year as the calendar"
+                    " year they are being assigned to"
+                )
+            )
+        if self.state_ids:
+            domain = self._get_domain_check_date_state_one_state_ids()
+            holidays = self.search(domain)
+            for holiday in holidays:
+                if self.state_ids & holiday.state_ids:
+                    raise ValidationError(
+                        self.env._(
+                            "You can't create duplicate public holiday per date"
+                            f" {self.date} and one of the country states."
+                        )
+                    )
+        domain = self._get_domain_check_date_state_one()
+        if self.search_count(domain) > 1:
+            raise ValidationError(
+                self.env._(
+                    f"You can't create duplicate public holiday per date {self.date}."
+                )
+            )
+        return True
+
+    def _prepare_holidays_meeting_values(self):
+        self.ensure_one()
+        categ_id = self.env.ref("calendar_public_holiday.event_type_holiday", False)
+        meeting_values = {
+            "name": (
+                f"{self.name} ({self.public_holiday_id.country_id.name})"
+                if self.public_holiday_id.country_id
+                else self.name
+            ),
+            "description": ", ".join(self.state_ids.mapped("name")),
+            "start": self.date,
+            "stop": self.date,
+            "allday": True,
+            "user_id": SUPERUSER_ID,
+            "privacy": "confidential",
+            "show_as": "busy",
+        }
+        if categ_id:
+            meeting_values.update({"categ_ids": [(6, 0, categ_id.ids)]})
+        return meeting_values
+
+    @api.constrains("date", "name", "public_holiday_id", "state_ids")
+    def _update_calendar_event(self):
+        for rec in self:
+            if rec.meeting_id:
+                rec.meeting_id.write(rec._prepare_holidays_meeting_values())
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        res = super().create(vals_list)
+        for record in res:
+            record.meeting_id = self.env["calendar.event"].create(
+                record._prepare_holidays_meeting_values()
+            )
+        return res
+
+    def unlink(self):
+        self.mapped("meeting_id").unlink()
+        return super().unlink()
diff --git a/calendar_public_holiday/pyproject.toml b/calendar_public_holiday/pyproject.toml
new file mode 100644
index 00000000..4231d0cc
--- /dev/null
+++ b/calendar_public_holiday/pyproject.toml
@@ -0,0 +1,3 @@
+[build-system]
+requires = ["whool"]
+build-backend = "whool.buildapi"
diff --git a/calendar_public_holiday/readme/CONTRIBUTORS.md b/calendar_public_holiday/readme/CONTRIBUTORS.md
new file mode 100644
index 00000000..d9381e9b
--- /dev/null
+++ b/calendar_public_holiday/readme/CONTRIBUTORS.md
@@ -0,0 +1,3 @@
+- \[Trobz\](<https://trobz.com>):
+
+  - Do Anh Duy \<\<<duyda@trobz.com>\>\>
diff --git a/calendar_public_holiday/readme/CREDITS.md b/calendar_public_holiday/readme/CREDITS.md
new file mode 100644
index 00000000..35e239a0
--- /dev/null
+++ b/calendar_public_holiday/readme/CREDITS.md
@@ -0,0 +1 @@
+The creation of this module was financially supported by Camptocamp
diff --git a/calendar_public_holiday/readme/DESCRIPTION.md b/calendar_public_holiday/readme/DESCRIPTION.md
new file mode 100644
index 00000000..2a7afcc9
--- /dev/null
+++ b/calendar_public_holiday/readme/DESCRIPTION.md
@@ -0,0 +1 @@
+This module handles public holidays.
diff --git a/calendar_public_holiday/readme/USAGE.md b/calendar_public_holiday/readme/USAGE.md
new file mode 100644
index 00000000..185826a2
--- /dev/null
+++ b/calendar_public_holiday/readme/USAGE.md
@@ -0,0 +1,4 @@
+For adding public holidays:
+
+1.  Go to the menu *Calendar \> Public Holidays \> Public Holidays*.
+2.  Create your public holidays.
diff --git a/calendar_public_holiday/security/ir.model.access.csv b/calendar_public_holiday/security/ir.model.access.csv
new file mode 100644
index 00000000..26d7f805
--- /dev/null
+++ b/calendar_public_holiday/security/ir.model.access.csv
@@ -0,0 +1,6 @@
+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+access_calendar_public_holiday_user,access_calendar_public_holiday,model_calendar_public_holiday,base.group_user,1,0,0,0
+access_calendar_public_holiday_manager,access_calendar_public_holiday,model_calendar_public_holiday,base.group_system,1,1,1,1
+access_calendar_public_holiday_line_user,access_calendar_public_holiday_line,model_calendar_public_holiday_line,base.group_user,1,0,0,0
+access_calendar_public_holiday_line_manager,access_calendar_public_holiday_line,model_calendar_public_holiday_line,base.group_system,1,1,1,1
+access_calendar_public_holiday_manager_next_year,access_calendar_public_holiday_next_year,model_calendar_public_holiday_next_year,base.group_system,1,1,1,1
diff --git a/calendar_public_holiday/static/description/icon.png b/calendar_public_holiday/static/description/icon.png
new file mode 100644
index 00000000..3a0328b5
Binary files /dev/null and b/calendar_public_holiday/static/description/icon.png differ
diff --git a/calendar_public_holiday/static/description/index.html b/calendar_public_holiday/static/description/index.html
new file mode 100644
index 00000000..ceb354a7
--- /dev/null
+++ b/calendar_public_holiday/static/description/index.html
@@ -0,0 +1,445 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<meta name="generator" content="Docutils: https://docutils.sourceforge.io/" />
+<title>Calendar Holidays Public</title>
+<style type="text/css">
+
+/*
+:Author: David Goodger (goodger@python.org)
+:Id: $Id: html4css1.css 9511 2024-01-13 09:50:07Z milde $
+:Copyright: This stylesheet has been placed in the public domain.
+
+Default cascading style sheet for the HTML output of Docutils.
+Despite the name, some widely supported CSS2 features are used.
+
+See https://docutils.sourceforge.io/docs/howto/html-stylesheets.html for how to
+customize this style sheet.
+*/
+
+/* used to remove borders from tables and images */
+.borderless, table.borderless td, table.borderless th {
+  border: 0 }
+
+table.borderless td, table.borderless th {
+  /* Override padding for "table.docutils td" with "! important".
+     The right padding separates the table cells. */
+  padding: 0 0.5em 0 0 ! important }
+
+.first {
+  /* Override more specific margin styles with "! important". */
+  margin-top: 0 ! important }
+
+.last, .with-subtitle {
+  margin-bottom: 0 ! important }
+
+.hidden {
+  display: none }
+
+.subscript {
+  vertical-align: sub;
+  font-size: smaller }
+
+.superscript {
+  vertical-align: super;
+  font-size: smaller }
+
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+<body>
+<div class="document" id="calendar-holidays-public">
+<h1 class="title">Calendar Holidays Public</h1>
+
+<!-- !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+!! This file is generated by oca-gen-addon-readme !!
+!! changes will be overwritten.                   !!
+!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+!! source digest: sha256:323fe101af3ba04c9322fb644c273896c1fb66484ed662a3ca0984279d457570
+!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
+<p><a class="reference external image-reference" href="https://odoo-community.org/page/development-status"><img alt="Beta" src="https://img.shields.io/badge/maturity-Beta-yellow.png" /></a> <a class="reference external image-reference" href="http://www.gnu.org/licenses/agpl-3.0-standalone.html"><img alt="License: AGPL-3" src="https://img.shields.io/badge/licence-AGPL--3-blue.png" /></a> <a class="reference external image-reference" href="https://github.com/OCA/calendar/tree/18.0/calendar_public_holiday"><img alt="OCA/calendar" src="https://img.shields.io/badge/github-OCA%2Fcalendar-lightgray.png?logo=github" /></a> <a class="reference external image-reference" href="https://translation.odoo-community.org/projects/calendar-18-0/calendar-18-0-calendar_public_holiday"><img alt="Translate me on Weblate" src="https://img.shields.io/badge/weblate-Translate%20me-F47D42.png" /></a> <a class="reference external image-reference" href="https://runboat.odoo-community.org/builds?repo=OCA/calendar&amp;target_branch=18.0"><img alt="Try me on Runboat" src="https://img.shields.io/badge/runboat-Try%20me-875A7B.png" /></a></p>
+<p>This module handles public holidays.</p>
+<p><strong>Table of contents</strong></p>
+<div class="contents local topic" id="contents">
+<ul class="simple">
+<li><a class="reference internal" href="#usage" id="toc-entry-1">Usage</a></li>
+<li><a class="reference internal" href="#bug-tracker" id="toc-entry-2">Bug Tracker</a></li>
+<li><a class="reference internal" href="#credits" id="toc-entry-3">Credits</a><ul>
+<li><a class="reference internal" href="#authors" id="toc-entry-4">Authors</a></li>
+<li><a class="reference internal" href="#contributors" id="toc-entry-5">Contributors</a></li>
+<li><a class="reference internal" href="#other-credits" id="toc-entry-6">Other credits</a></li>
+<li><a class="reference internal" href="#maintainers" id="toc-entry-7">Maintainers</a></li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="section" id="usage">
+<h1><a class="toc-backref" href="#toc-entry-1">Usage</a></h1>
+<p>For adding public holidays:</p>
+<ol class="arabic simple">
+<li>Go to the menu <em>Calendar &gt; Public Holidays &gt; Public Holidays</em>.</li>
+<li>Create your public holidays.</li>
+</ol>
+</div>
+<div class="section" id="bug-tracker">
+<h1><a class="toc-backref" href="#toc-entry-2">Bug Tracker</a></h1>
+<p>Bugs are tracked on <a class="reference external" href="https://github.com/OCA/calendar/issues">GitHub Issues</a>.
+In case of trouble, please check there if your issue has already been reported.
+If you spotted it first, help us to smash it by providing a detailed and welcomed
+<a class="reference external" href="https://github.com/OCA/calendar/issues/new?body=module:%20calendar_public_holiday%0Aversion:%2018.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**">feedback</a>.</p>
+<p>Do not contact contributors directly about support or help with technical issues.</p>
+</div>
+<div class="section" id="credits">
+<h1><a class="toc-backref" href="#toc-entry-3">Credits</a></h1>
+<div class="section" id="authors">
+<h2><a class="toc-backref" href="#toc-entry-4">Authors</a></h2>
+<ul class="simple">
+<li>Michael Telahun Makonnen</li>
+<li>Tecnativa</li>
+<li>Fekete Mihai (Forest and Biomass Services Romania)</li>
+<li>Druidoo</li>
+<li>Camptocamp</li>
+<li></li>
+</ul>
+</div>
+<div class="section" id="contributors">
+<h2><a class="toc-backref" href="#toc-entry-5">Contributors</a></h2>
+<ul class="simple">
+<li>[Trobz](<a class="reference external" href="https://trobz.com">https://trobz.com</a>):<ul>
+<li>Do Anh Duy &lt;&lt;<a class="reference external" href="mailto:duyda&#64;trobz.com">duyda&#64;trobz.com</a>&gt;&gt;</li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="section" id="other-credits">
+<h2><a class="toc-backref" href="#toc-entry-6">Other credits</a></h2>
+<p>The creation of this module was financially supported by Camptocamp</p>
+</div>
+<div class="section" id="maintainers">
+<h2><a class="toc-backref" href="#toc-entry-7">Maintainers</a></h2>
+<p>This module is maintained by the OCA.</p>
+<a class="reference external image-reference" href="https://odoo-community.org">
+<img alt="Odoo Community Association" src="https://odoo-community.org/logo.png" />
+</a>
+<p>OCA, or the Odoo Community Association, is a nonprofit organization whose
+mission is to support the collaborative development of Odoo features and
+promote its widespread use.</p>
+<p>This module is part of the <a class="reference external" href="https://github.com/OCA/calendar/tree/18.0/calendar_public_holiday">OCA/calendar</a> project on GitHub.</p>
+<p>You are welcome to contribute. To learn how please visit <a class="reference external" href="https://odoo-community.org/page/Contribute">https://odoo-community.org/page/Contribute</a>.</p>
+</div>
+</div>
+</div>
+</body>
+</html>
diff --git a/calendar_public_holiday/tests/__init__.py b/calendar_public_holiday/tests/__init__.py
new file mode 100644
index 00000000..e052af02
--- /dev/null
+++ b/calendar_public_holiday/tests/__init__.py
@@ -0,0 +1,3 @@
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from . import test_calendar_public_holiday
diff --git a/calendar_public_holiday/tests/test_calendar_public_holiday.py b/calendar_public_holiday/tests/test_calendar_public_holiday.py
new file mode 100644
index 00000000..0bd83ffb
--- /dev/null
+++ b/calendar_public_holiday/tests/test_calendar_public_holiday.py
@@ -0,0 +1,249 @@
+# Copyright 2015 iDT LABS (http://www.@idtlabs.sl)
+# Copyright 2017-2018 Tecnativa - Pedro M. Baeza
+# Copyright 2018 Brainbean Apps
+# Copyright 2020 InitOS Gmbh
+# Copyright 2024 Camptocamp
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from datetime import date
+
+from odoo.exceptions import UserError, ValidationError
+
+from odoo.addons.base.tests.common import BaseCommon
+
+
+class TestCalendarPublicHoliday(BaseCommon):
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+        cls.holiday_model = cls.env["calendar.public.holiday"]
+        cls.holiday_line_model = cls.env["calendar.public.holiday.line"]
+        cls.calendar_event = cls.env["calendar.event"]
+        cls.wizard_next_year = cls.env["calendar.public.holiday.next.year"]
+
+        # Remove possibly existing public holidays that would interfer.
+        cls.holiday_line_model.search([]).unlink()
+        cls.holiday_model.search([]).unlink()
+        cls.calendar_event.search([]).unlink()
+
+        cls.country_1 = cls.env["res.country"].create(
+            {
+                "name": "Country 1",
+                "code": "XX",
+            }
+        )
+        cls.country_2 = cls.env["res.country"].create(
+            {
+                "name": "Country 2",
+                "code": "YY",
+            }
+        )
+        cls.country_3 = cls.env["res.country"].create(
+            {
+                "name": "Country 3",
+                "code": "ZZ",
+            }
+        )
+        cls.res_partner = cls.env["res.partner"].create(
+            {"name": "Partner 1", "country_id": cls.country_1.id}
+        )
+        cls.holiday_1 = cls.holiday_model.create(
+            {
+                "year": 2024,
+                "country_id": cls.country_1.id,
+                "line_ids": [
+                    (
+                        0,
+                        0,
+                        {
+                            "name": "Christmas Day for Country 1",
+                            "date": "2024-12-25",
+                        },
+                    )
+                ],
+            }
+        )
+        cls.holiday_2 = cls.holiday_model.create(
+            {
+                "year": 2024,
+                "country_id": cls.country_2.id,
+                "line_ids": [
+                    (
+                        0,
+                        0,
+                        {
+                            "name": "Christmas Day for Country 2",
+                            "date": "2024-12-25",
+                        },
+                    )
+                ],
+            }
+        )
+        cls.holiday_3 = cls.holiday_model.create({"year": 2025})
+        ls_dates = ["2025-01-02", "2025-01-05", "2025-01-07"]
+        for i in range(len(ls_dates)):
+            cls.holiday_line_model.create(
+                {
+                    "name": f"Public Holiday Line {i + 1}",
+                    "date": ls_dates[i],
+                    "public_holiday_id": cls.holiday_3.id,
+                }
+            )
+
+    def test_display_name(self):
+        holiday_1_display_name = self.holiday_1.display_name
+        expect_display_name = (
+            f"{self.holiday_1.year} ({self.holiday_1.country_id.name})"
+        )
+        self.assertEqual(holiday_1_display_name, expect_display_name)
+
+        # without country
+        holiday_3_display_name = self.holiday_3.display_name
+        expect_display_name = f"{self.holiday_3.year}"
+        self.assertEqual(holiday_3_display_name, expect_display_name)
+
+    def test_duplicate_year_country_fail(self):
+        # ensures that duplicate year cannot be created for the same country
+        with self.assertRaises(ValidationError):
+            # same year with country = False
+            self.holiday_model.create({"year": 2025})
+        with self.assertRaises(ValidationError):
+            # same country with holiday_1
+            self.holiday_model.create({"year": 2024, "country_id": self.country_1.id})
+
+    def test_duplicate_date_state_fail(self):
+        # ensures that duplicate date cannot be created for the same country
+        # state or with state null
+        holiday_4 = self.holiday_model.create(
+            {"year": 2024, "country_id": self.country_3.id}
+        )
+        holiday_4_line = self.holiday_line_model.create(
+            {
+                "name": "holiday x",
+                "date": "2024-12-25",
+                "public_holiday_id": holiday_4.id,
+            }
+        )
+        with self.assertRaises(ValidationError):
+            self.holiday_line_model.create(
+                {
+                    "name": "holiday x",
+                    "date": "2024-12-25",
+                    "public_holiday_id": holiday_4.id,
+                }
+            )
+        holiday_4_line.state_ids = [(6, 0, [self.country_3.id])]
+        with self.assertRaises(ValidationError):
+            self.holiday_line_model.create(
+                {
+                    "name": "holiday x",
+                    "date": "2024-12-25",
+                    "public_holiday_id": holiday_4.id,
+                    "state_ids": [(6, 0, [self.country_3.id])],
+                }
+            )
+
+    def test_holiday_in_country(self):
+        # ensures that correct holidays are identified for a country
+        self.assertTrue(
+            self.holiday_model.is_public_holiday(
+                date(2024, 12, 25), partner_id=self.res_partner.id
+            )
+        )
+        self.assertFalse(
+            self.holiday_model.is_public_holiday(
+                date(2024, 12, 23), partner_id=self.res_partner.id
+            )
+        )
+
+    def test_holiday_line_same_year_with_parent(self):
+        # ensures that line year and holiday year are the same
+        with self.assertRaises(ValidationError):
+            self.holiday_model.create(
+                {
+                    "year": 2026,
+                    "line_ids": [
+                        (
+                            0,
+                            0,
+                            {
+                                "name": "Line with not the same year",
+                                "date": "2027-12-25",
+                            },
+                        )
+                    ],
+                }
+            )
+
+    def test_list_holidays_in_list_country_specific(self):
+        # ensures that correct holidays are identified for a country
+        lines = self.holiday_model.get_holidays_list(
+            2024, partner_id=self.res_partner.id
+        )
+        res = lines.filtered(lambda r: r.date == date(2024, 12, 25))
+        self.assertEqual(len(res), 1)
+        self.assertEqual(len(lines), 1)
+
+    def test_list_holidays_in_list(self):
+        # ensures that correct holidays are identified for a country
+        lines = self.holiday_model.get_holidays_list(2025)
+        res = lines.filtered(lambda r: r.date == date(2025, 1, 2))
+        self.assertEqual(len(res), 1)
+        self.assertEqual(len(lines), 3)
+
+    def test_create_year_2026_public_holidays(self):
+        # holiday_1 and holiday_2 have the same line in 2024 but different country
+        ph_start_ids = self.holiday_model.search([("year", "=", 2024)])
+        vals = {"public_holiday_ids": ph_start_ids, "year": 2026}
+        wizard = self.wizard_next_year.new(values=vals)
+        wizard.create_public_holidays()
+        lines = self.holiday_model.get_holidays_list(2026)
+        self.assertEqual(len(lines), 2)
+        res = lines.filtered(
+            lambda r: r.public_holiday_id.country_id.id == self.country_1.id
+        )
+        self.assertEqual(len(res), 1)
+
+    def test_create_year_2027_public_holidays(self):
+        # holiday_3 have 3 line in year 2025
+        ph_start_ids = self.holiday_model.search([("year", "=", 2025)])
+        wizard = self.wizard_next_year.new(
+            values={
+                "public_holiday_ids": ph_start_ids,
+                "year": 2027,
+            }
+        )
+        wizard.create_public_holidays()
+        lines = self.holiday_model.get_holidays_list(2027)
+        self.assertEqual(len(lines), 3)
+
+    def test_february_29th(self):
+        # Ensures that users get a UserError (not a nasty Exception) when
+        # trying to create public holidays from year including 29th of
+        # February
+        holiday_tw_2024 = self.holiday_model.create(
+            {"year": 2024, "country_id": self.country_3.id}
+        )
+        self.holiday_line_model.create(
+            {
+                "name": "Peace Memorial Holiday",
+                "date": "2024-02-29",
+                "public_holiday_id": holiday_tw_2024.id,
+            }
+        )
+        vals = {"public_holiday_ids": holiday_tw_2024}
+        wz_create_ph = self.wizard_next_year.new(values=vals)
+
+        with self.assertRaises(UserError):
+            wz_create_ph.create_public_holidays()
+
+    def test_calendar_event_created(self):
+        holiday_1_line = self.holiday_1.line_ids[0]
+        meeting_id = holiday_1_line.meeting_id
+        self.assertTrue(meeting_id)
+        holiday_1_line.unlink()
+        self.assertFalse(meeting_id.exists())
+        all_lines = self.holiday_line_model.search([])
+        categ_id = self.env.ref("calendar_public_holiday.event_type_holiday", False)
+        all_meetings = self.calendar_event.search([("categ_ids", "in", categ_id.id)])
+        self.assertEqual(len(all_lines), len(all_meetings))
diff --git a/calendar_public_holiday/views/calendar_public_holiday_view.xml b/calendar_public_holiday/views/calendar_public_holiday_view.xml
new file mode 100644
index 00000000..b6186c50
--- /dev/null
+++ b/calendar_public_holiday/views/calendar_public_holiday_view.xml
@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<!-- Copyright 2024 Camptocamp
+     License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). -->
+<odoo>
+    <record id="view_calendar_public_holiday_list" model="ir.ui.view">
+        <field name="name">calendar.public.holiday.list</field>
+        <field name="model">calendar.public.holiday</field>
+        <field name="arch" type="xml">
+            <list>
+                <field name="display_name" />
+                <field name="country_id" />
+            </list>
+        </field>
+    </record>
+    <record id="view_calendar_public_holiday_form" model="ir.ui.view">
+        <field name="name">calendar.public.holiday.form</field>
+        <field name="model">calendar.public.holiday</field>
+        <field name="arch" type="xml">
+            <form>
+                <group name="group_main">
+                    <group name="group_main_left">
+                        <field name="year" options="{'type': 'number'}" />
+                        <field name="country_id" />
+                    </group>
+                    <group name="group_main_right">
+                        <!-- Left empty for extensions -->
+                    </group>
+                </group>
+                <separator string="Public Holidays" name="group_detail" />
+                <field name="line_ids" nolabel="1">
+                    <list editable="top">
+                        <field
+                            name="date"
+                            readonly="not variable_date"
+                            force_save="1"
+                        />
+                        <field name="name" />
+                        <field
+                            name="state_ids"
+                            widget="many2many_tags"
+                            domain="[('country_id', '=', parent.country_id)]"
+                        />
+                        <field name="variable_date" />
+                    </list>
+                </field>
+            </form>
+        </field>
+    </record>
+    <record id="open_calendar_public_holiday_view" model="ir.actions.act_window">
+        <field name="name">Public Holidays</field>
+        <field name="res_model">calendar.public.holiday</field>
+        <field name="view_mode">list,form</field>
+    </record>
+    <menuitem
+        id="menu_calendar_public_holiday"
+        name="Public Holidays"
+        parent="calendar.calendar_menu_config"
+        sequence="60"
+    />
+    <menuitem
+        action="open_calendar_public_holiday_view"
+        id="menu_calendar_public_holiday_view"
+        parent="menu_calendar_public_holiday"
+        sequence="61"
+    />
+</odoo>
diff --git a/calendar_public_holiday/wizards/__init__.py b/calendar_public_holiday/wizards/__init__.py
new file mode 100644
index 00000000..5c75b1aa
--- /dev/null
+++ b/calendar_public_holiday/wizards/__init__.py
@@ -0,0 +1,3 @@
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from . import calendar_public_holiday_next_year_wizard
diff --git a/calendar_public_holiday/wizards/calendar_public_holiday_next_year_wizard.py b/calendar_public_holiday/wizards/calendar_public_holiday_next_year_wizard.py
new file mode 100644
index 00000000..0a95c45d
--- /dev/null
+++ b/calendar_public_holiday/wizards/calendar_public_holiday_next_year_wizard.py
@@ -0,0 +1,82 @@
+# Copyright 2016 Trobz
+# Copyright 2024 Camptocamp
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+import logging
+
+from odoo import fields, models
+from odoo.exceptions import UserError
+
+_logger = logging.getLogger(__name__)
+
+
+class CalendarPublicHolidayNextYear(models.TransientModel):
+    _name = "calendar.public.holiday.next.year"
+    _description = "Create Public Holiday From Existing Ones"
+
+    public_holiday_ids = fields.Many2many(
+        comodel_name="calendar.public.holiday",
+        string="Templates",
+        help="Select the public holidays to use as template. "
+        "If not set, latest public holidays of each country will be used. "
+        "Only the last templates of each country for each year will "
+        "be taken into account (If you select templates from 2012 and 2015, "
+        "only the templates from 2015 will be taken into account.",
+    )
+    year = fields.Integer(
+        help="Year for which you want to create the public holidays. "
+        "By default, the year following the template."
+    )
+
+    def create_public_holidays(self):
+        self.ensure_one()
+        last_ph_dict = {}
+        ph_env = self.env["calendar.public.holiday"]
+        pholidays = self.public_holiday_ids or ph_env.search([])
+        if not pholidays:
+            raise UserError(
+                self.env._(
+                    "No Public Holidays found as template. "
+                    "Please create the first Public Holidays manually."
+                )
+            )
+        for ph in pholidays:
+            last_ph_country = last_ph_dict.get(ph.country_id, False)
+            if last_ph_country:
+                if last_ph_country.year < ph.year:
+                    last_ph_dict[ph.country_id] = ph
+            else:
+                last_ph_dict[ph.country_id] = ph
+        new_ph_ids = []
+        for last_ph in last_ph_dict.values():
+            new_year = self.year or last_ph.year + 1
+            new_ph_vals = {"year": new_year}
+            new_ph = last_ph.copy(new_ph_vals)
+            new_ph_ids.append(new_ph.id)
+            for last_ph_line in last_ph.line_ids:
+                feb_29 = last_ph_line.date.month == 2 and last_ph_line.date.day == 29
+                if feb_29:
+                    # Handling this rare case would mean quite a lot of
+                    # complexity because previous or next day might also be a
+                    # public holiday.
+                    raise UserError(
+                        self.env._(
+                            "You cannot use as template the public holidays "
+                            "of a year that "
+                            "includes public holidays on 29th of February "
+                            "(2016, 2020...), please select a template from "
+                            "another year."
+                        )
+                    )
+                new_date = last_ph_line.date.replace(year=new_year)
+                new_ph_line_vals = {"date": new_date, "public_holiday_id": new_ph.id}
+                last_ph_line.copy(new_ph_line_vals)
+        domain = [["id", "in", new_ph_ids]]
+        action = {
+            "type": "ir.actions.act_window",
+            "name": self.env._("New public holidays"),
+            "view_mode": "list,form",
+            "res_model": ph_env._name,
+            "domain": domain,
+        }
+        return action
diff --git a/calendar_public_holiday/wizards/calendar_public_holiday_next_year_wizard.xml b/calendar_public_holiday/wizards/calendar_public_holiday_next_year_wizard.xml
new file mode 100644
index 00000000..6c11ebed
--- /dev/null
+++ b/calendar_public_holiday/wizards/calendar_public_holiday_next_year_wizard.xml
@@ -0,0 +1,71 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<!-- Copyright 2024 Camptocamp
+     License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). -->
+<odoo>
+    <record id="calendar_public_holiday_next_year_view" model="ir.ui.view">
+        <field name="name">Create Next Year Public Holidays</field>
+        <field name="model">calendar.public.holiday.next.year</field>
+        <field name="arch" type="xml">
+            <form string="Create Next Year Public Holidays">
+                <sheet>
+                    <div>
+                        Use this wizard to create public holidays based on the
+                        existing ones.<br />
+                        Only the last templates of each country
+                        will be taken into account (If you select templates
+                        from 2012 and 2015 of the same country; '
+                        only the templates from 2015 will be taken into
+                        account).
+                    </div>
+                    <notebook>
+                        <page name="defaults" string="Defaults">
+                            <div>
+                            By default, the most recent public holidays
+                            for each country are used as template to create
+                            public holidays for the year following the templates.
+                            <br /><br />
+                            Normally, you should not need to input anything in
+                            optional fields and only need to click on the button
+                            "Create".
+                            </div>
+                        </page>
+                        <page name="optional" string="Optional">
+                            <div>
+                            The below optional fields are here only to handle
+                            special situations like "2011 was a special year with
+                            an additional public holiday for the 150th
+                            anniversary of the Italian unification, so you want to
+                            replicate the 2010 Italian holidays to 2012."
+                            </div>
+                            <group>
+                                <field name="public_holiday_ids" />
+                                <field name="year" options="{'type': 'number'}" />
+                            </group>
+                        </page>
+                    </notebook>
+                </sheet>
+                <footer>
+                    <button
+                        name="create_public_holidays"
+                        string="Create"
+                        type="object"
+                        class="btn-primary"
+                    />
+                    <button string="Cancel" class="btn-default" special="cancel" />
+                </footer>
+            </form>
+        </field>
+    </record>
+    <record id="action_create_next_year_public_holidays" model="ir.actions.act_window">
+        <field name="name">Create Next Year Public Holidays</field>
+        <field name="res_model">calendar.public.holiday.next.year</field>
+        <field name="view_mode">form</field>
+        <field name="target">new</field>
+    </record>
+    <menuitem
+        action="action_create_next_year_public_holidays"
+        id="menu_create_next_year_public_holidays"
+        parent="menu_calendar_public_holiday"
+        sequence="71"
+    />
+</odoo>
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 00000000..180fc497
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+# generated from manifests external_dependencies
+openupgradelib