JavaScript new Temporal.Duration()
Example
// Create a Duration object
const duration = new Temporal.Duration(0, 0, 0, 7, 2);
Try it Yourself »
Description
The new Temporal.Duration() constructor
creates a new duration from integer parameters.
Syntax
new Temporal.Duration(years, months, weeks, days, hours, minutes, seconds,
milliseconds, microseconds, nanoseconds)
Parameters
| Parameters | Description |
| years | Number of years. |
| months | Number of months. |
| days | Number of days. |
| hours | Number of hours. |
| minutes | Number of minutes. |
| seconds | Number of seconds. |
| milliseconds | Number of milliseconds. |
| microseconds | Number of microseconds. |
| nanoseconds | Number of nanoseconds. |
Return Value
| Type | Description |
| Object | A new duration object. |
Browser Support
Temporal is a major update to the JavaScript standard (TC39).
It is currently supported in Chrome, Edge, Firefox, and Opera and is expected to reach full availability across browsers before the summer of 2026.
| Chrome 144 |
Edge 144 |
Firefox 139 |
Safari |
Opera 128 |
| Jan 2026 | Jan 2026 | May 2025 | 🚫 | Feb 2026 |
The Safari implementation can be tested in Safari Technology Preview by enabling the --use-temporal runtime flag.
Polyfill
Until Safari support Temporal natively, you can use the official polyfill:
<script
src="https://cdn.jsdelivr.net/npm/@js-temporal/polyfill/dist/index.umd.js">
</script>
