Run results for: Luxon vs - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:133.0) Gecko/20100101 Firefox/133.0

Browser: Firefox 133

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

dayjs

2.5M/s

datefns

172K/s

View exact numbers

Test name	Executions per second
✓ dayjs	2,492,892 Ops/sec
datefns	171,811 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/dayjs@1.11.13/dayjs.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/date-fns@4.1.0/cdn.min.js">
</script>

Script Preparation code:

/*your preparation JavaScript code goes here
To execute async code during the script preparation, wrap it as function globalMeasureThatScriptPrepareFunction, example:*/
//window.ds = "2020-02-19T00:51:53.623839+00:00";
async function globalMeasureThatScriptPrepareFunction() {
    // This function is optional, feel free to remove it.
    // await someThing();
}

Tests:

datefns
dateFns.parse('2025-01-09', 'yyyy-MM-dd', new Date())
dayjs
dayjs('2025-01-09')