date-fns vs dayjs
Estimated humans, week by week
- date-fns
- dayjs
- npm downloads (same color, dashed)
The 12-month chart is drawn in the browser from the npm API.
date-fns vs dayjs: which is more popular?
| package | npm / week | humans / week | inflation | confidence |
|---|---|---|---|---|
| date-fns | 116,834,307 | 116,811,670–116,834,307 | less than 1% | high |
| dayjs | 107,349,363 | 107,325,675–107,349,363 | less than 1% | high |
Snapshot from the daily build of Nov 3, 2026, last 7 days of npm data. With JavaScript on, this page recomputes it live with a 12-month chart.
By estimated real human installs, date-fns is ahead of dayjs, and the two are close: about 116,833,288 vs 107,346,397 a week. npm's raw counts are 116,834,307 for date-fns and 107,349,363 for dayjs, which include mirrors, scanners and crawlers.
How the estimate works
- Cut the spike every new version gets from mirrors in its first days.
- Subtract the flat floor robots download from every version each week.
- Show what is left as a range, with an honest confidence level.