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Package

dayjs

Date library with a largely Moment.js-compatible API, extended through plugins.

v1.11.23, 17 Aug 2026MITCommonJSTypes: BundledRuns in: Browser, Node.jsDate and time
$ npm install dayjs
npmGitHubHomepage

Key numbers

As of 25 Sept 2026
Weekly downloads
51.5m
+95% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
1 month ago
v1.11.23
GitHub stars
48.7k
3.2k forks
Open issues / PRs
971 / 365
Contributors
358
Commits, last 52 weeks
54

Downloads

Last week 2026-09-15 to 2026-09-21
020m40m60m80mSept 2025Mar 2026Sept 2026High 70m (25 Aug 2026)Low 17m (23 Dec 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

51,515,684 downloads last week, 231,620,794 in the last month. The 12-month change of +95% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months
5132 in total
Latest version
1.11.23, 17 Aug 20261 month ago
First published
10 Apr 2018
Last push to GitHub
15 Sept 20269 days before the snapshot
Repository archived
No
Open issues
971
Open pull requests
365
Commits, last 52 weeks
54
Dependents on npm
25,464

Major versions

  1. v1 first release 1.0.0, 10 Apr 2018

Recent releases

VersionPublished
1.11.2317 Aug 2026
1.11.2216 Aug 2026
1.11.2126 May 2026
1.11.2012 Mar 2026
1.11.1931 Oct 2025
1.11.1830 Aug 2025
1.11.1729 Aug 2025
1.11.1629 Aug 2025
1.11.1528 Aug 2025
1.11.1427 Aug 2025
1.11.1320 Aug 2024
1.11.1218 Jul 2024
1.11.1128 Apr 2024
1.11.1019 Sept 2023

Compatibility

Module format
CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
Not declared
Runtimes
Browser, Node.jsFrom the package docs
Unpacked size (npm)
666 kB
Dependencies (0)
None

Install

npm install dayjs

CDN

jsDelivr: 705.1m requests in 30 days
  • jsDelivrhttps://cdn.jsdelivr.net/npm/dayjs@1.11.23/
  • unpkghttps://unpkg.com/dayjs@1.11.23/
  • esm.shhttps://esm.sh/dayjs@1.11.23

Alternatives

All dayjs alternatives
PackageWeekly downloadsGzipLast releaseModuleComparison
date-fns72.4m-3 months agoESM + CommonJSdate-fns vs dayjs
luxon27.4m-1 year agoESM + CommonJSluxon vs dayjs
moment26.5m-10 days agoCommonJSdayjs vs moment
@js-joda/core3.1m-2 months agoESM + CommonJS-
date-fns-tz7.5m-1 year agoESM + CommonJS-
@date-fns/tz27m-4 months agoESM + CommonJS-

Comparisons

Notes

  • Immutable and chainable. The README describes the API as largely Moment.js-compatible.
  • Extra features are added through plugins loaded with dayjs.extend().
  • Time zone support comes from the utc and timezone plugins.
  • Locales are loaded on demand and are not included unless imported.
Notes checked against: Day.js README, Day.js timezone plugin, Day.js installation

Related

Sources: npm registry, npm downloads API, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Indexed.