Moment.js

⏰ Day.js 2kB immutable date-time library alternative to Moment.js with the same modern API

Moment-compatible API in about 2 kB.

⏳ Modern JavaScript date utility library ⌛️

Plain functions over native Date, tree-shakable.

⏱ A library for working with dates and times in JS

Immutable, with Intl-based time zones, from Moment's maintainers.

A lightweight javascript timezone library

Timezone-aware dates with the timezone data built in, and an immutable API.

Other tools in JavaScript date libraries