diff --git a/package-lock.json b/package-lock.json
index 3de1baac556..e25db4410e7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "angular-material-source",
-  "version": "1.1.23",
+  "version": "1.1.24",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -418,7 +418,7 @@
     "ansi-colors": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-1.1.0.tgz",
-      "integrity": "sha1-Y3S03V1HGP884npnGjscrQdxMqk=",
+      "integrity": "sha512-SFKX67auSNoVR38N3L+nvsPjOE0bybKTYbkf5tRvushrAPQ9V75huw0ZxBkKVeRU9kqH3d6HA4xTckbwZ4ixmA==",
       "dev": true,
       "requires": {
         "ansi-wrap": "^0.1.0"
@@ -4119,7 +4119,7 @@
     "function-bind": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.1.tgz",
-      "integrity": "sha1-pWiZ0+o8m6uHS7l3O3xe3pL0iV0=",
+      "integrity": "sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A==",
       "dev": true
     },
     "functional-red-black-tree": {
@@ -11698,7 +11698,7 @@
     "sax": {
       "version": "1.2.4",
       "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.4.tgz",
-      "integrity": "sha1-KBYjTiN4vdxOU1T6tcqold9xANk=",
+      "integrity": "sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw==",
       "dev": true
     },
     "scss-tokenizer": {
diff --git a/package.json b/package.json
index 67270ead29e..98840c5b889 100644
--- a/package.json
+++ b/package.json
@@ -132,4 +132,4 @@
     "node": ">=10",
     "npm": ">=6"
   }
-}
\ No newline at end of file
+}
diff --git a/src/components/datepicker/js/dateUtil.js b/src/components/datepicker/js/dateUtil.js
index ef42a0f3fb5..b848d1e0e2a 100644
--- a/src/components/datepicker/js/dateUtil.js
+++ b/src/components/datepicker/js/dateUtil.js
@@ -310,8 +310,8 @@
      }
 
     /**
-     * @param {Date} value
-     * @return {boolean|boolean}
+     * @param {Date} value date in local timezone
+     * @return {Date} date with local timezone removed
      */
     function removeLocalTzAndReparseDate(value) {
       var dateValue, formattedDate;
diff --git a/src/components/datepicker/js/datepickerDirective.js b/src/components/datepicker/js/datepickerDirective.js
index 99efc62406f..48dedf72d06 100644
--- a/src/components/datepicker/js/datepickerDirective.js
+++ b/src/components/datepicker/js/datepickerDirective.js
@@ -1001,7 +1001,7 @@
     var self = this;
     var timezone = this.$mdUtil.getModelOption(this.ngModelCtrl, 'timezone');
 
-    if (this.dateUtil.isValidDate(value)) {
+    if (this.dateUtil.isValidDate(value) && timezone != null) {
       this.date = this.dateUtil.removeLocalTzAndReparseDate(value);
     } else {
       this.date = value;