date-fns
Extremely Popular
Version 4.1.0
67
GoodModern JavaScript date utility library
- Weekly Downloads
- 48.5M
↑32%
- Bundle (gzip)
- 6.5 MB
- Updated
- Vulns
- 0
Health Score Breakdown
Maintenance
40
Popularity
100
Quality
50
Security
100
Stability
70
Date-fns vs Date-fns-tz
Side-by-side NPM package comparison
date-fns-tz
Very Popular
Version 3.2.0
61
GoodTime zone support for date-fns v3 with the Intl API
- Weekly Downloads
- 7.3M
↑38%
- Bundle (gzip)
- 63.8 KB
- Updated
- Vulns
- 0
Health Score Breakdown
Maintenance
20
Popularity
100
Quality
50
Security
100
Stability
70
Choosing between Date-fns and Date-fns-tz? Here's a data-driven comparison based on real npm data — downloads, bundle size, health scores, and more — to help you decide which package fits your project best.
Downloads & Popularity
Date-fns leads with 48.5M weekly downloads — roughly 6.6x more. Date-fns-tz has 7.3M weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.
Bundle Size
Date-fns-tz has the smallest gzipped bundle at 63.8 KB. Date-fns comes in at 6.5 MB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.
Health Score Comparison
Date-fns has an overall health score of 67/100 (good), with strong security, popularity scores. Date-fns-tz has an overall health score of 61/100 (good), with strong security, popularity scores. Health scores are calculated from maintenance activity, code quality, security posture, popularity, and stability metrics.
When to Choose Each
Choose Date-fns if you value massive community and ecosystem, strong security track record. Choose Date-fns-tz if you value large community support, strong security track record.
Our Verdict
Both Date-fns and Date-fns-tz are solid choices for JavaScript development. Date-fns has the edge in overall health score (67/100), while each package brings unique strengths to the table. Evaluate them based on your project's priorities — whether that's community size, bundle efficiency, or maintenance activity — and choose the one that aligns best with your requirements.
Frequently Asked Questions
- Is date-fns better than date-fns-tz?
- It depends on your needs. Date-fns has a health score of 67/100 while Date-fns-tz scores 61/100. Date-fns has more weekly downloads (48.5M), suggesting broader adoption. Consider your specific requirements — bundle size, community support, and feature set — to decide which is the better fit.
- Which has a smaller bundle size, date-fns or date-fns-tz?
- Date-fns-tz has the smaller gzipped bundle at 63.8 KB. A smaller bundle means faster load times for your users, which can positively impact SEO and user experience.
- How many developers use date-fns vs date-fns-tz?
- Based on npm download statistics, Date-fns has approximately 48.5M weekly downloads and Date-fns-tz has approximately 7.3M weekly downloads. These numbers reflect package installations, not unique developers, but they indicate relative adoption levels.
- Which is better maintained, date-fns or date-fns-tz?
- Date-fns currently has the higher overall health score at 67/100. Date-fns has a maintenance score of 40/100 and Date-fns-tz scores 20/100 on maintenance.