JavaScript Date setUTCHours() Method

Definition and Usage

setUTCHours() This method sets the hour of the date object based on UTC time.

This method can also be used to set minutes, seconds, and milliseconds.

Tip:Coordinated Universal Time (UTC) is the time set by the world time standard.

Note:UTC time is the same as GMT time (Greenwich Mean Time).

Instance

Example 1

Set the hour according to UTC time to 15:

var d = new Date();
d.setUTCHours(15);

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Example 2

Set the time to UTC time 15:35:01:

var d = new Date();
d.setUTCHours(15, 35, 1);

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Example 3

Use the UTC method to set the time 48 hours ago:

var d = new Date();
d.setUTCHours(d.getUTCHours() - 48);

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Syntax

Date.setUTCHours(hour, min, sec, millisec)

Parameter Value

Parameter Description
hour

Required. Represents the integer hours.

The expected value is 0-23, but other values are allowed:

  • -1 will result in the last hour of the previous day
  • 24 will result in the first hour of the next day
min

Optional. Represents the integer minutes.

The expected value is 0-59, but other values are allowed:

  • -1 will result in the last minute of the previous hour
  • 60 will result in the first minute of the next hour
sec

Optional. Represents the integer seconds.

The expected value is 0-59, but other values are allowed:

  • -1 will result in the last second of the previous minute
  • 60 will result in the first second of the next minute
millisec

Optional. Represents the integer milliseconds.

The expected value is 0-999, but other values are allowed:

  • -1 will result in the last millisecond of the previous second
  • 1000 will result in the first millisecond of the next second

Technical Details

Return Value: A number representing the milliseconds between the date object and midnight of January 1, 1970.
JavaScript Version: ECMAScript 1

Browser Support

Method Chrome IE Firefox Safari Opera
setUTCHours() Support Support Support Support Support

Related Pages

Tutorial:JavaScript Date

Tutorial:JavaScript Date Format

Tutorial:JavaScript Date Setting Methods