Run results for: luxon 3.2.1 vs datefns vs moment vs dayjs (formatting)

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser: Chrome 123

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

moment

3.1M/s

luxon

1.5M/s

datefns

946K/s

dayjs

835K/s

View exact numbers

Test name	Executions per second
✓ moment	3,058,541 Ops/sec
luxon	1,511,248 Ops/sec
datefns	945,598 Ops/sec
dayjs	834,939 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/dayjs/1.10.7/dayjs.min.js" integrity="sha512-bwD3VD/j6ypSSnyjuaURidZksoVx3L1RPvTkleC48SbHCZsemT3VKMD39KknPnH728LLXVMTisESIBOAb5/W0Q==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
<script src="https://cdn.jsdelivr.net/npm/luxon@3.2.1/build/global/luxon.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/date-fns/1.30.1/date_fns.min.js" referrerpolicy="no-referrer"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.29.1/moment.min.js" integrity="sha512-qTXRIMyZIFb8iQcfjXWCO8+M5Tbc38Qi5WzdPOYZHIlZpzBHG3L3by84BBBOiRGiEb7KKtAOAs5qYdUiZiQNNQ==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>

Script Preparation code:

window.__date__ = new Date();
window.__luxon__ = luxon.DateTime.fromJSDate(__date__);
window.__moment__ = moment(__date__);
window.__dayjs__ = dayjs(__date__);

Tests:

datefns
dateFns.format(__date__, 'YYYY/MM/DD');
luxon
__luxon__.toFormat('yyyy/MM/dd');
moment
__moment__.format('YYYY/MM/DD');
dayjs
__dayjs__.format('YYYY/MM/DD');

Run results for: luxon 3.2.1 vs datefns vs moment vs dayjs (formatting)

Updated luxon

datefns

luxon

moment

dayjs