JavaScript UTC()Method

Date 对象参考手册JavaScript Date Object

Example

Return the number of milliseconds from January 1, 1970 to the specified date:

var d=Date.UTC(2012,02,30);

dOutput:


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Definition and Usage

The UTC() method returns the number of milliseconds from January 1, 1970 to the specified date according to universal time.

Tip:Coordinated Universal Time, also known as Universal Coordinated Time, World Standard Time, International Coordinated Time, abbreviated as UTC (Universal Coordinated Time).

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


Browser Support

Internet ExplorerFirefoxOperaGoogle ChromeSafari

UTC() All major browsers support the UTC() method.


Syntax

Date.UTC(year,month,day,hours,minutes,seconds,millisec)

Parameter Values

Parameter Description
year Required. A four-digit number representing the year.
month Required. An integer representing the month, between 0 and 11.
day Required. An integer representing the day, between 1 and 31.
hours Optional. An integer representing the hour, between 0 and 23.
minutes Optional. An integer representing the minutes, between 0 and 59.
seconds Optional. An integer representing the seconds, between 0 and 59.
ms Optional. An integer representing the milliseconds, between 0 and 999.

Return Value

Type Description
Number Returns the number of milliseconds from the specified time to midnight of January 1, 1970 (GMT).

Technical Details

JavaScript Version: 1.0


More Examples

Example

Convert local time to UTC time:

var d=new Date(Date.UTC(2012,02,30));

dOutput:


Try it Yourself »


Date 对象参考手册JavaScript Date Object

Other Extensions