Fast 2kB date library alternative to Moment.js with the same API
⏰ Day.js 2kB immutable date-time library alternative to Moment.js with the same modern API - iamkun/dayjs
Fast 2kB date library alternative to Moment.js with the same API launched on April 24, 2018 with 122 votes, #271 of 2,753 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 8 years on.
In plain words
Fast.js is a lightweight date library designed for developers who need Moment.js-compatible functionality without the bulk. At just 2 kilobytes, it offers the same API as Moment.js while significantly reducing file size. The library handles date manipulation, formatting, and parsing tasks, making it suitable for projects where performance and minimal dependencies are priorities.
written from the facts on this page · September 2026
Does a similar job
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Day.js 1.6 locale and plugins 2kb moment.js alternative with same API2018 · github.com · ▲6⏰ Day.js 2kB immutable date-time library alternative to Moment.js with the same modern API - iamkun/dayjs
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