Moment.jsvsDay.js
Head-to-Head Stats
Moment.jsDay.js
Weekly Downloads15.2M18.5M
GitHub Stars48.0K47.0K
Repos Using120.0K85.0K
Contributors620420
Open Issues280780
Bundle Size72 KB2.9 KB
TypeScriptdefinitely-typednative
Growth Rate-8.5%+7.2%
Last Release2022-07-062026-02-28
Adoption Over 12 Months (repos in thousands)
Moment.js
Day.js
Side-by-Side Bars
Moment.js: 15.2MDay.js: 18.5M
Moment.js Stars: 48.0KDay.js Stars: 47.0K
Moment.js Repos: 120.0KDay.js Repos: 85.0K
Migration Flow (Last 30 Days)
312
Moment.js → Day.js
vs
2
Day.js → Moment.js
Repos using Moment.js also use:
ReactExpressAngularWebpacklodashjQuery
Repos using Day.js also use:
ReactNext.jsViteTypeScriptTailwindZustand
Analysis & Verdict
Day.js has already surpassed Moment in weekly downloads. Moment is in maintenance mode (last release 2022). Day.js at 2.9KB vs 72KB is the clear choice for any new project.