npm package comparison
date-fns vs Day.js
Compare npm downloads, release activity, versions, and measured trends for date-fns and Day.js.
Side-by-side package data
| Metric | date-fns | dayjs |
|---|---|---|
| Latest version | 4.4.0 | 1.11.23 |
| Trailing-week npm downloads | 69.48M | 51.84M |
| 7d vs previous 7d | Not yet available | Not yet available |
| Days since latest release | 110 | 30 |
| Releases in 90 days | 0 | 2 |
| Direct dependencies | 0 | 0 |
Momentum note: A 7-day change is shown only when 14 consecutive reliable npm download days are available. “Not yet available” means the evidence window is incomplete, not that the package has zero growth.
Download history
Sparklines use stored reliable npm daily-download observations. Gaps are not converted to zero.
What this comparison does and does not say
Download counts and release timestamps are observable signals, not a verdict about which library is “best.” EcosystemPulse shows the underlying measurements so you can weigh adoption, maintenance activity, dependencies, API fit, bundle size, documentation, and project requirements separately.