Run results for: luxon vs datefns vs moment vs day.js 2025

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:137.0) Gecko/20100101 Firefox/137.0

Browser: Firefox 137

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

day.js

400K/s

luxon

171K/s

moment

89K/s

View exact numbers

Test name	Executions per second
✓ day.js	400,263 Ops/sec
luxon	170,780 Ops/sec
moment	89,463 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/luxon@3.6.1/build/global/luxon.min.js"></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.30.1/moment.min.js'></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/dayjs/1.11.7/dayjs.min.js'></script>

Script Preparation code:

window.ds = "2020-02-19T00:51:53.623839+00:00";

Tests:

luxon
luxon.DateTime.fromISO(ds);
moment
moment(ds)
day.js
dayjs(ds)