Dayjs vs Luxon

Side-by-side NPM package comparison

dayjs

Extremely Popular

Version 1.11.19

73
Good

2KB immutable date time library alternative to Moment.js with the same modern API

Weekly Downloads
38.8M
31%
Bundle (gzip)
3.0 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
60
Popularity
100
Quality
50
Security
100
Stability
70

luxon

Extremely Popular

Version 3.7.2

73
Good

Immutable date wrapper

Weekly Downloads
23.0M
35%
Bundle (gzip)
21.4 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
60
Popularity
100
Quality
50
Security
100
Stability
70

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 38.8M weekly downloads — roughly 1.7x more. Luxon has 23.0M 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 73/100 (good), with strong security, popularity scores. Luxon has an overall health score of 73/100 (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 (73/100), 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 73/100 while Luxon scores 73/100. Dayjs has more weekly downloads (38.8M), 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, 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?
Based on npm download statistics, Dayjs has approximately 38.8M weekly downloads and Luxon has approximately 23.0M weekly downloads. These numbers reflect package installations, not unique developers, but they indicate relative adoption levels.
Which is better maintained, dayjs or luxon?
Dayjs currently has the higher overall health score at 73/100. Dayjs has a maintenance score of 60/100 and Luxon scores 60/100 on maintenance.

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