Run results for: luxon vs dajs vs date-fns

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 4 months ago

Test name	Executions per second
luxon 3.5.0	552121.6 Ops/sec
Day.js	1289905.8 Ops/sec
date-fns	29964.5 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->
<script src="https://cdnjs.cloudflare.com/ajax/libs/luxon/3.5.0/luxon.min.js" integrity="sha512-SN7iwxiJt9nFKiLayg3NjLItXPwRfBr4SQSIugMeBFrD4lIFJe1Z/exkTZYAg3Ul+AfZEGws2PQ+xSoaWfxRQQ==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/dayjs/1.11.13/dayjs.min.js" integrity="sha512-FwNWaxyfy2XlEINoSnZh1JQ5TRRtGow0D6XcmAWmYCRgvqOUTnzCxPc9uF35u5ZEpirk1uhlPVA19tflhvnW1g==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/date-fns/4.1.0/cdn.min.js" integrity="sha512-bz58Sg3BAWMEMPTH0B8+pK/+5Qfqq6b2Ho2G4ld12x4fiUVqpY8jSbN/73qpBQYFLU4QnKVL5knUm4uqcJGLVw==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>

Script Preparation code:

window.timestamp = 1735660089

Tests:

luxon 3.5.0
var date = luxon.DateTime.fromMillis(timestamp * 1000); date.toLocaleString({ year: "numeric", month: "2-digit", day: "2-digit", hour: "numeric", minute: "numeric", hour12: true, })
Day.js
var date = dayjs(timestamp * 1000); date.format("L LT")
date-fns
var date = dateFns.fromUnixTime(timestamp); dateFns.intlFormat(date, { year: "numeric", month: "2-digit", day: "2-digit", hour: "numeric", minute: "numeric", hour12: true, })

Run results for: luxon vs dajs vs date-fns

Create and format dates from a timestamp

luxon 3.5.0

Day.js

date-fns