Run results for: luxon vs datefns vs moment vs day.js - updated

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36

Browser: Chrome 141

Operating system: Windows

Device Platform: Desktop

Date tested: 10 months ago

datefns

514K/s

day.js

400K/s

luxon

295K/s

moment

127K/s

View exact numbers

Test name	Executions per second
✓ datefns	513,730 Ops/sec
day.js	399,744 Ops/sec
luxon	294,994 Ops/sec
moment	127,259 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/luxon/3.7.2/luxon.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/date-fns/4.1.0/cdn.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/1.11.18/dayjs.min.js'></script>

Script Preparation code:

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

Tests:

datefns
dateFns.parseISO(window.ds)
luxon
luxon.DateTime.fromISO(ds);
moment
moment(ds)
day.js
dayjs(ds)