Side-by-side NPM package comparison
Version 1.11.19
2KB immutable date time library alternative to Moment.js with the same modern API
Version 1.0.0
Time definition library with calendar-aware arithmetic, using tc39 Temporal API.
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.
Dayjs leads with 40.0M weekly downloads — roughly 40030852.0x more. Temporal-api has 1 weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.
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.
Dayjs has an overall health score of 73/100 (good), with strong 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.
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.
Both Dayjs and Temporal-api 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.