Date-fns
⏳ A modern JavaScript date utility library that provides comprehensive, lightweight functions for date manipulation.
TypeScript · MIT License · 36.5k GitHub stars
Date-fns vs Dayjs
Side-by-side open-source comparison for 2026. Dayjs currently leads on GitHub stars (48.6k) over Date-fns (36.5k). Both tools list each other as alternatives in this directory.
Quick comparison
| # | Tool | Stars | Language | License |
|---|---|---|---|---|
| 1 | Dayjs Day.js is a 2kB immutable date-time library, providing a modern API as a lightweight alternative to Moment.js. | 48.6k | JavaScript | MIT License |
| 2 | Date-fns ⏳ A modern JavaScript date utility library that provides comprehensive, lightweight functions for date manipulation. | 36.5k | TypeScript | MIT License |
Overview
Dayjs
Day.js is a 2kB immutable date-time library, providing a modern API as a lightweight alternative to Moment.js.
JavaScript · MIT License · 48.6k GitHub stars
Explore both tools
48.6k
Dayjs
Day.js is a 2kB immutable date-time library, providing a modern API as a lightweight alternative to Moment.js.
👨💻
Development🟡
JavaScript🔨
Utils
36.5k
Date-fns
⏳ A modern JavaScript date utility library that provides comprehensive, lightweight functions for date manipulation.
🔨
Utils🟡
JavaScript👨💻
Development
Frequently asked questions
Which is more popular, Date-fns or Dayjs?
Dayjs currently has more GitHub stars (48.6k) than Date-fns (36.5k). Star counts are a proxy for community adoption.
Are Date-fns and Dayjs free?
Yes. Both are open source and free to use in your own projects.
How does this comparison work?
Pages only exist for mutual alternatives — each tool lists the other in its alternatives metadata. Stats come from the canonical tool records in this directory.
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