JavaScript getTime() Method

Complete Date Object Reference

Definition and Usage

The getTime() method returns the number of milliseconds since midnight of January 1, 1970.

Syntax

dateObject.getTime()

Tips and Notes

Note: This method is always used in conjunction with a Date object.

Example

In this example we will get how many milliseconds since 1970/01/01 and print it:

<script type="text/javascript">

var d = new Date();
document.write(d.getTime() + " milliseconds since 1970/01/01");

</script>

The output of the code above will be:

Example 2

In the following example we will calculate the number of years since 1970/01/01:

<script type="text/javascript">

var minutes = 1000*60;
var hours = minutes*60;
var days = hours*24;
var years = days*365;
var d = new Date();
var t = d.getTime();
var y = t/years;
document.write("It's been: " + y + " years since 1970/01/01!");

</script>

The output of the code above will be:

Try-It-Yourself Demos

getTime()
Use getTime() to calculate the years since 1970.

Complete Date Object Reference

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