JavaScript UTC() Method
 JavaScript Date Object
Definition and Usage
The UTC() method takes a date and returns the number of milliseconds since midnight of January 1, 1970 according to universal time.
Syntax
| Date.UTC(year,month,day,hours,minutes,seconds,ms) |
| Parameter |
Description |
| year |
Required. A four digit number representing the year |
| month |
Required. An integer between 0 and 11 representing the
month |
| day |
Required. An integer between 1 and 31 representing the date |
| hours |
Optional. An integer between 0 and 23 representing the hour |
| minutes |
Optional. An integer between 0 and 59 representing the
minutes |
| seconds |
Optional. An integer between 0 and 59 representing the
seconds |
| ms |
Optional. An integer between 0 and 999 representing the
milliseconds |
Examples
Example 1
Get how many milliseconds there are from 1970/01/01
to 2005/07/08 according to universal time:
<script type="text/javascript">
var d=Date.UTC(2005,7,8);
document.write(d);
</script>
|
The output of the code above will be:
Try it yourself »
|
Example 2
Convert the output from the example above into years:
<script type="text/javascript">
var minutes=1000*60;
var hours=minutes*60;
var days=hours*24;
var years=days*365;
var t=Date.UTC(2005,7,8);
var y=t/years;
document.write("It's been: " + y + " years from 1970/01/01");
document.write(" to 2005/07/08!");
</script>
|
The output of the code above will be:
|
It's been: 35.62465753424657 years from 1970/01/01 to 2005/07/08!
|
Try it yourself »
|
JavaScript Date Object
 |
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