Luxon

Luxon is a library for working with dates and times in Javascript.

DateTime.local().setZone('America/New_York').minus({ weeks: 1 }).endOf('day').toISO();

Features

DateTime, Duration, and Interval types.
Immutable, chainable, unambiguous API.
Parsing and formatting for common and custom formats.
Native time zone and Intl support (no locale or tz files).

Download/install

Download/install instructions

Documentation

Development

See contributing.