Date UTC() Method - Javascript Date

Javascript examples for Date:UTC

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Description

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

UTC time is the same as GMT time.

Syntax 

Date.UTC(year, month, day, hour, min, sec, millisec)

Parameter Values

Parameter Description
year Required. A four-digit value representing the year, negative values are allowed
month Required. An integer representing the month
day Optional. An integer representing the day of month
hour Optional. Default 0. An integer representing the hour.
min Optional. Default 0. An integer representing the minutes.
sec Optional. Default 0. An integer representing the seconds
millisec Optional. Default 0. An integer representing the milliseconds

month expected values are 0-11, but other values are allowed:

  • -1 sets the last month of the previous year
  • 12 sets the first month of the next year
  • 13 sets the second month of the next year

day expected values are 1-31, but other values are allowed:

  • 0 sets the last day of the previous month
  • -1 sets the day before the last day of the previous month
  • If the month has 31 days, 32 sets the first day of the next month
  • If the month has 30 days, 32 sets the second day of the next month

hour expected values are 0-23, but other values are allowed:

  • -1 sets the last hour of the previous day
  • 24 sets the first hour of the next day
  • min expected values are 0-59, but other values are allowed:
  • -1 sets the last minute of the previous hour
  • 60 sets the first minute of the next hour

second expected values are 0-59, but other values are allowed:

  • -1 sets the last second of the previous minute
  • 60 sets the first second of the next minute

millisec expected values are 0-999, but other values are allowed:

  • -1 sets the last millisecond of the previous second
  • 1000 sets the first millisecond of the next second

Return Value:

A Number, representing the number of milliseconds between the specified date-time and midnight January 1 1970

The following code shows how to display the local time, based on a UTC date-time:

Demo Code

ResultView the demo in separate window 

<!DOCTYPE html>
<html>
<body>

<button onclick="myFunction()">Test</button>

<p id="demo"></p>

<script>
function myFunction() {// w  ww . j  av a 2  s . c om
    var d = new Date(Date.UTC(2012, 02, 30));
    document.getElementById("demo").innerHTML = d;
}
</script>

</body>
</html>

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