JavaScript Date setUTCMonth()
Example
Set the month to 4 (May):
const d = new Date("2025-01-15");
d.setUTCMonth(4);
Try it Yourself »d.setUTCMonth(4);
More "Try it Yourself" examples below.
Description
ThesetUTCMonth() method sets the month (from 0 to 11) of a date object, according to UTC.
Note: January is 0, February is 1, and so on.
Notes
UTC (Universal Time Coordinated) is the time set by the World Time Standard.
UTC time is the same as GMT time (Greenwich Mean Time).
Syntax
Date.setUTCMonth(month, day)
Parameter Values
| Parameter | Description |
|---|---|
| month | Required. An integer representing the month Expected values are 0-11, but other values are allowed:
|
| day | Optional. An integer representing the day of month Expected values are 1-31, but other values are allowed:
If the month has 31 days:
If the month has 30 days:
|
Return Value
| NONE Changes the Date object in place. |
More Examples
Example
Set the month to 4 (May) and the day to the 20th:
const d = new Date("2025-01-15");
d.setUTCMonth(4, 20);
Try it Yourself »d.setUTCMonth(4, 20);
Example
Set the date to be the last day of last month:
const d = new Date("2025-01-15");
d.setUTCMonth(d.getUTCMonth(), 0);
Try it Yourself »d.setUTCMonth(d.getUTCMonth(), 0);
Browser Support
setUTCMonth() is an ECMAScript1 (JavaScript 1997) feature.
It is supported in all browsers:
| Chrome | Edge | Firefox | Safari | Opera |
