moment

v2.30.1MITTS Ready

Parse, validate, manipulate, and display dates and times in JavaScript.

65/ 100

Maintenance Warning

Weekly Downloads

24.0M

Bundle Size (gzip)

72.1 kB(288.4 kB min)

Dependencies

Zero Deps

Last Updated

2024-01-20

SPONSORED CLOUD & DEV TOOLS•Google Ads Partner

NPMBot AI Assessment

Officially in maintenance mode. Avoid for all new projects due to massive size and mutability.

The Moment.js maintainers themselves officially declared the project finished in 2020. Its mutable API causes frequent calculation bugs, and its inability to tree-shake locales drags ~72kB of gzipped code into your bundle. Migrating to Day.js or date-fns is universally recommended.

Key Advantages

•Decade of community answers on StackOverflow
•Full locale coverage included in bundle

Gotchas & Limitations

•Deprecated for new projects by the original core authors
•Bloated bundle size: over 72kB gzipped (vs Day.js 2kB)
•Mutable objects: date manipulation mutates the original instance in-place
•Zero tree-shaking support

Recommended For:

Old legacy codebases where migration cost outweighs performance gains

Avoid If:

ANY new project, frontend apps, or bundle-sensitive systems

FEATURED PARTNER•Google Ads Partner

Installation & Quickstart

Package Manager Command

javascript

npm install moment

moment Usage Example

javascript

import moment from 'moment';

const now = moment().format('MMMM Do YYYY, h:mm:ss a');
console.log(now);

Compare moment with Alternatives

Recommended Alternatives

dayjs-97% size

Identical API syntax, only 2kB gzipped

date-fns-85% size

Modular, immutable, pure functions with tree-shaking

View full moment alternatives radar →

Repository & Links

NPM Official Registry Official Documentation GitHub Repository