date-fns

Date-fns

date-fns is a modern JavaScript date utility library. It provides easy-to-use functions for common date operations like formatting, parsing, manipulating, and comparing dates.
date-fns screenshot

date-fns: Modern JavaScript Date Utility Library

date-fns is a modern JavaScript date utility library. It provides easy-to-use functions for common date operations like formatting, parsing, manipulating, and comparing dates.

What is Date-fns?

date-fns is a modern JavaScript date utility library that aims to provide an easy, consistent, and reliable set of date functions. Some key features and benefits of date-fns include:

  • Lightweight at only 22.5kB gzipped
  • Immutable - It doesn't mutate dates, so there are no side effects
  • Modular - You only import the functions you need
  • Intuitive - The API is straightforward and readable
  • I18n support - Supports various languages and timezones out of the box
  • Tree-shakeable - Only the code you use gets bundled into your production build
  • FP oriented - Works very well with functional programming patterns
  • Isomorphic/Universal - Runs smoothly on both server and client side

So in summary, date-fns aims to provide a complete, reliable set of date utility functions that is easy to install, has zero dependencies, and works great across environments. Its intuitive API and tiny footprint make date-fns a popular choice for many web applications.

Date-fns Features

Features

  1. Date formatting and parsing
  2. Date math and manipulation
  3. Date comparison
  4. Internationalization support
  5. Lightweight library with no dependencies

Pricing

  • Open Source

Pros

Easy to use API

Immutable dates

Tree-shakeable

Isomorphic/universal - works in Node.js and browser

Covered by extensive unit tests

Cons

Not as full-featured as Moment.js

Less commonly used date functions may need to be imported separately

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