import { compareAsc, format } from "date-fns"; format(new Date(2014, 1, 11), "yyyy-MM-dd"); //=> '2014-02-11' const dates = [ new Date(1995, 6, 2), new Date(1987, 1, 11), new Date(1989, 6, 10), ]; dates.sort(compareAsc); //=> [ // Wed Feb 11 1987 00:00:00, // Mon Jul 10 1989 00:00:00, // Sun Jul 02 1995 00:00:00 // ] The library is available as an npm package.

date-fns provides the most comprehensive yet simple and consistent toolset for manipulating JavaScript dates in a browser & Node.js.

import { compareAsc, format } from "date-fns"; format(new Date(2014, 1, 11), "yyyy-MM-dd"); //=> '2014-02-11' const dates = [ new Date(1995, 6, 2), new Date(1987, 1, 11), new Date(1989, 6, 10), ]; dates.sort(compareAsc); //=> [ // Wed Feb 11 1987 00:00:00, // Mon Jul 10 1989 00:00:00, // Sun Jul 02 1995 00:00:00 // ] The library is available as an npm package.

Time zone support for date-fns v3 with the Intl API. Latest version: 3.2.0, last published: a year ago. Start using date-fns-tz in your project by running `npm i date-fns-tz`. There are 1941 other projects in the npm registry using date-fns-tz.

import { compareAsc, format, newDate } from "date-fns-jalali"; format(new Date(2014, 1, 11), "yyyy-MM-dd"); //=> '1392-11-22' newDate(1392, 10, 22); // => Tue Feb 11 2014 00:00:00 format(newDate(1392, 10, 22), "yyyy MMMM d"); // 1392 بهمن 22 const dates = [ new Date(1995, 6, 2), new Date(1987, 1, 11), new Date(1989, 6, 10), ]; dates.sort(compareAsc); //=> [ // Wed Feb 11 1987 00:00:00, // Mon Jul 10 1989 00:00:00, // Sun Jul 02 1995 00:00:00 // ] The library is available as an npm package.

June 23, 2025 - date-fns uses existing native dates data types, it doesn’t extend core objects for safety’s sake, meaning it will avoid modifying or adding functionalities to those built in date data types

import { compareAsc, format } from "date-fns"; format(new Date(2014, 1, 11), "yyyy-MM-dd"); //=> '2014-02-11' const dates = [ new Date(1995, 6, 2), new Date(1987, 1, 11), new Date(1989, 6, 10), ]; dates.sort(compareAsc); //=> [ // Wed Feb 11 1987 00:00:00, // Mon Jul 10 1989 00:00:00, // Sun Jul 02 1995 00:00:00 // ] The library is available as an npm package.

November 8, 2018 - Why am I getting: Module not found: Error: Can't resolve 'date-fns/format' after installing date-fns like this: npm install date-fns --save I am requiring it like this: const format = require('date-fns/format'); I can see this in my pack...

import { compareAsc, format } from "date-fns"; format(new Date(2014, 1, 11), "yyyy-MM-dd"); //=> '2014-02-11' const dates = [ new Date(1995, 6, 2), new Date(1987, 1, 11), new Date(1989, 6, 10), ]; dates.sort(compareAsc); //=> [ // Wed Feb 11 1987 00:00:00, // Mon Jul 10 1989 00:00:00, // Sun Jul 02 1995 00:00:00 // ] The library is available as an npm package.

Latest version: 3.2.1, last published: a year ago. Start using @date-io/date-fns in your project by running `npm i @date-io/date-fns`. There are 969 other projects in the npm registry using @date-io/date-fns.

Fast, reliable, and secure dependency management.

A collection of utilities built around date-fns functions. This pipe is (impure), but there's the pure version dfnsFormatRelativeToNowPure too. Same as dfnsFormatRelative but the date to comapre against is always Date.now(). ... Given a weekday number, returns its name. Optional weekday format.

It offers a rich set of features for parsing, formatting, manipulating, and querying dates. It's built on the Intl API and provides time zone support out of the box, which is more comprehensive than date-fns's approach to time zones. ... The npm package date-fns receives a total of 42,780,022 ...

export const ScopeDays = (props: ScopeDaysProps) => { const { tasks, date } = props; const days = groupBy(tasks, t => formatDate(parseDate(t.date.split(' ')[0]))); const start = startOfMonth(date); let end = endOfMonth(date); const now = new Date(); if (end > now) { end = now; } if (end > start) { // Ensure that days before the current day are given a scope, even with no tasks eachDayOfInterval({ start, end }).forEach(day => { const key = formatDate(day); if (!days[key]) days[key] = []; }); }

import { format, compareAsc } from "date-fns"; format(new Date(2014, 1, 11), "MM/dd/yyyy"); //=> '02/11/2014' const dates = [ new Date(1995, 6, 2), new Date(1987, 1, 11), new Date(1989, 6, 10), ]; dates.sort(compareAsc); //=> [ // Wed Feb 11 1987 00:00:00, // Mon Jul 10 1989 00:00:00, // Sun Jul 02 1995 00:00:00 // ] date-fns includes some optional features as submodules in the npm package.

date-fns 2.29.2 API documentation with instant search, offline support, keyboard shortcuts, mobile version, and more.

This is a playground to test code. It runs a full Node.js environment and already has all of npm’s 1,000,000+ packages pre-installed, including date-fns with all npm packages installed.

$ npm i --save date-fns $ npm i --save-dev babel-plugin-date-fns ... import differenceInYears from 'date-fns/differenceInYears'; import format from "date-fns/format"; import formatDistance from "date-fns/formatDistance";

import { compareAsc, format } from "date-fns"; format(new Date(2014, 1, 11), "yyyy-MM-dd"); //=> '2014-02-11' const dates = [ new Date(1995, 6, 2), new Date(1987, 1, 11), new Date(1989, 6, 10), ]; dates.sort(compareAsc); //=> [ // Wed Feb 11 1987 00:00:00, // Mon Jul 10 1989 00:00:00, // Sun Jul 02 1995 00:00:00 // ] The library is available as an npm package.