Microsoft® JScript™ setHours Method | Language Reference Version 1

See Also Applies To

##### Description

> Modifies the hours stored in the Date object according to local time.

##### Syntax

> objDate.setHours(numHours[, numMin[, numSec[, numMilli]]])

> The setHours method syntax has these parts:

> Part | Description
> numHours | Required. A numeric value equal to the hours value.
> numMin | Optional. A numeric value equal to the minutes value. Must be supplied if either of the following arguments are used.
> numSec | Optional. A numeric value equal to the seconds value. Must be supplied if the following argument is used.
> numMilli | Optional. A numeric value equal to the milliseconds value.

##### Remarks

> All set methods taking optional arguments use the value returned from corresponding get methods, if you do not specify an optional argument. For example, if the numMonth argument is optional, but not specified, JScript uses the value returned from the getMonth method.

> To set the hours value according to Universal Coordinated Time (UTC), use the setUTCHours method.

> If the value of an argument is greater than its range or is a negative number, other stored values are modified accordingly. For example, if the stored date is "Jan 5, 1996 00:00:00", and setHours(30) is called, the date is changed to "Jan 6, 1996 06:00:00." Negative numbers have a similar behavior.

> The following example illustrates the use of the setHours method:

> >     function SetHoursDemo(nhr, nmin, nsec)
> >     {
> >       var d, s;
> >       var sep = ":";
> >       d = new Date();
> >       d.setHours(nhr, nmin, nsec);
> >       s = "Current setting is " + d.toLocaleString()
> >       return(s);
> >     }

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