date-fns
Moment.js
Luxon
js-Joda
Next.js
Nuxt.js
CakePHP
2kB JavaScript date utility library
Notion
KnowledgeBase Builder
Infinity Maps
Witeboard
xTiles App
Miro
Second Brain
Interactive knowledge map for beginners (in JavaScript)

Which is more popular?
Based on our record, Day.js seems to be more popular. It has been mentioned 43 times since March 2021.
Website, pricing, platforms and company facts side by side.
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Day.js
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Programming Knowledge Map
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| Website | day.js.org | learnprogramming.online |
| Pricing | — | |
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What each product offers, as listed by its team.
Possible disadvantages
No features have been listed yet.
How often each product is chosen within a category, 0–100% relative to the other.
Share your experience with using Day.js and Programming Knowledge Map. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.
Date strings. ISO 8601 timestamps like "2026-04-27T10:00:00Z" are string to the converter. If you're parsing them with date-fns or dayjs, you'll want to change those to Date in your final types. - Source: dev.to / 6 months ago
Dayjs - Fast 2kB alternative to Moment.js with the same modern API. - Source: dev.to / 9 months ago
I think the JS Date class should be avoided for anything related to DateTime. Instead, use one of the established libraries: Moment.js or Day.js. And in the near future, use the successor of Date, the new Temporal API. - Source: dev.to / about 1 year ago
Tracking Programming Knowledge Map since Sep 2023.
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