dayjs

v1.11.21npm· JavaScript

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

The verdict

Safe default. Widely trusted across the ecosystem, actively maintained.

Live from the npm registry · derived rules, not AI

How it scores

MaintenanceHealthy

PopularityTop 1%

SecurityClean

LicensePermissive

DepsZero deps

Maintenance

Last published this month.

Popularity

51M downloads / week

Security

No known advisories for this version (OSV).

License

MIT

Dependencies

No runtime dependencies

Same concept · Dates & times

For parsing, formatting and arithmetic on timestamps.

npmAlternatives in npm

Cross-language equivalents

PyPI· Python

crates.io· Rust

RubyGems· Ruby

Maven· Java

NuGet· .NET

Related-package mappings are hand-curated. See alternatives in detail →

Recent releases