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Date-fns-v4 vs Dayjs vs Temporal-api

Side-by-side NPM package comparison

Quick Verdict

Smallest Bundle

Dayjs

3.0 KB gzipped

Most Popular

Dayjs

46.2M weekly downloads

Best Maintained

Dayjs

80/100 maintenance score

Highest Quality

Temporal-api

80/100 quality score

Overall Pick

Dayjs

Best all-around based on popularity, size, maintenance & quality

dayjs icon

dayjs

Extremely Popular

Version 1.11.20

0
79
Good

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

Weekly Downloads
46.2M
↑5%
Bundle (gzip)
3.0 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
80
Popularity
100
Quality
50
Security
100
Stability
70
temporal-api icon

temporal-api

Niche

Version 1.0.0

0
56
Fair

Time definition library with calendar-aware arithmetic, using tc39 Temporal API.

Weekly Downloads
2
↑80%
Bundle (gzip)
3.8 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
40
Popularity
10
Quality
80
Security
100
Stability
70

Choosing between Dayjs and Temporal-api? 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 46.2M weekly downloads — roughly 23116700.5x more. Temporal-api has 2 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. Temporal-api comes in at 3.8 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. Temporal-api has an overall health score of 56/100 (moderate), with strong quality, security 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 Temporal-api if you value minimal bundle footprint, strong security track record.

Our Verdict

Both Dayjs and Temporal-api 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 temporal-api?
It depends on your needs. Dayjs has a health score of 79/100 while Temporal-api scores 56/100. Dayjs has more weekly downloads (46.2M), 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 temporal-api?
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 temporal-api?
Based on npm download statistics, Dayjs has approximately 46.2M weekly downloads and Temporal-api has approximately 2 weekly downloads. These numbers reflect package installations, not unique developers, but they indicate relative adoption levels.
Which is better maintained, dayjs or temporal-api?
Dayjs currently has the higher overall health score at 79/100. Dayjs has a maintenance score of 80/100 and Temporal-api scores 40/100 on maintenance.

Related Comparisons

Date-fns vs DayjsDayjs vs Moment

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