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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Safari/537.36

Browser: Chrome 139

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 7 months ago

Test name	Executions per second
luxon	668001.1 Ops/sec
moment	331792.4 Ops/sec
day.js	816812.4 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)