JavaScript Date setHours()
Description
setHours()
sets the hour of a date.
setHours()
can also set minutes, seconds and milliseconds.
Example 3
Set the time to 48 hours ago:
const d = new Date();
d.setHours(d.getHours() - 48);
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Browser Support
setHours()
is an ECMAScript1 (ES1) feature.
ES1 (JavaScript 1997) is fully supported in all browsers:
Chrome | Edge | Firefox | Safari | Opera | IE |
Yes | Yes | Yes | Yes | Yes | Yes |
Syntax
Date.setHours(hour, min, sec, millisec)
Parameters
hour | Required. The Hours.
0 to 23, but other values are allowed:
|
min | Optional. The Minutes.
0 to 59, but other values are allowed:
|
sec | Optional. The seconds.
0 to 59, but other values are allowed:
|
millisec | Optional. The milliseconds.
0 to 999, but other values are allowed:
|
Return Value
A number. Number of milliseconds between the date and January 1, 1970 00:00:00 UTC. |