dayjs
2KB immutable date time library alternative to Moment.js with the same modern API
89.3M weekly downloads · 3.0 KB gzip · Health 79/100
0
Comparison guide
Dayjs vs Luxon
Side-by-side NPM package comparison
Quick Verdict
Dayjs leads across all categories in this comparison. Check the detailed metrics below to see how each package performs for your specific needs.
- 0
Choosing between Dayjs and Luxon? 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
Dayjs leads with 89.3M weekly downloads — roughly 1.8x more. Luxon has 50.0M weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.
Bundle Size
Dayjs has the smallest gzipped bundle at 3.0 KB. Luxon comes in at 21.4 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.
Health Score Comparison
Dayjs has an overall health score of 79/100 (very good), with strong maintenance, security, popularity scores. Luxon 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 Dayjs if you value massive community and ecosystem, minimal bundle footprint, strong security track record. Choose Luxon if you value massive community and ecosystem, strong security track record.
Our Verdict
Both Dayjs and Luxon are solid choices for JavaScript development. Dayjs has the edge in overall health score (79/100), 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 dayjs better than luxon?
- It depends on your needs. Dayjs has a health score of 79/100 while Luxon scores 61/100. Dayjs has more recorded weekly downloads (89.3M). Consider your specific requirements — bundle size, community support, and feature set — to decide which is the better fit.
- Which has a smaller bundle size, dayjs or luxon?
- Dayjs has the smaller gzipped bundle at 3.0 KB. A smaller bundle means faster load times for your users, which can positively impact SEO and user experience.
- How many developers use dayjs vs luxon?
- Dayjs has more recorded weekly downloads (89.3M). Download counts reflect package installations, not unique developers.
- Which is better maintained, dayjs or luxon?
- Dayjs has a maintenance score of 80/100. Dayjs scores 80/100 and Luxon scores 20/100 on maintenance.
Related Comparisons
The 2026 JavaScript Stack Cheatsheet
One PDF: the best package for every category (ORMs, bundlers, auth, testing, state management). Used by 500+ devs. Free, updated monthly.