date-fns
Moment.js
Luxon
js-Joda
Next.js
Nuxt.js
CakePHP
2kB JavaScript date utility library

GitHub Visualizer
The GitHub Matrix Screensaver
Gource
CodeFlower
Programming Languages Influence Network
Github Profile Visualizer
Refined GitHub
Open-source algorithm that visualizes GitHub projects

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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| Website | day.js.org | github.com |
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What each product offers, as listed by its team.

Possible disadvantages
Possible disadvantages
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using Day.js and Codeology. 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 / 12 months ago
Tracking Codeology since Mar 2021.
When comparing Day.js and Codeology, you can also consider the following products.

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