Date.prototype.setHours()
The setHours()
method sets the hours for a specified date
according to local time, and returns the number of milliseconds since January 1, 1970
00:00:00 UTC until the time represented by the updated Date
instance.
Syntax
setHours(hoursValue)
setHours(hoursValue, minutesValue)
setHours(hoursValue, minutesValue, secondsValue)
setHours(hoursValue, minutesValue, secondsValue, msValue)
Parameters
hoursValue
-
Ideally, an integer between 0 and 23, representing the hour. If a value greater than 23 is provided, the datetime will be incremented by the extra hours.
minutesValue
-
Optional. Ideally, an integer between 0 and 59, representing the minutes. If a value greater than 59 is provided, the datetime will be incremented by the extra minutes.
secondsValue
-
Optional. Ideally, an integer between 0 and 59, representing the seconds. If a value greater than 59 is provided, the datetime will be incremented by the extra seconds. If you specify the
secondsValue
parameter, you must also specify theminutesValue
. msValue
-
Optional. Ideally, a number between 0 and 999, representing the milliseconds. If a value greater than 999 is provided, the datetime will be incremented by the extra milliseconds. If you specify the
msValue
parameter, you must also specify theminutesValue
andsecondsValue
.
Return value
The number of milliseconds between January 1, 1970 00:00:00 UTC and the updated date.
Description
If you do not specify the minutesValue
,
secondsValue
, and msValue
parameters,
the values returned from the getMinutes()
,
getSeconds()
, and
getMilliseconds()
methods are used.
If a parameter you specify is outside of the expected range, setHours()
attempts to update the date information in the Date
object accordingly.
For example, if you use 100 for secondsValue
, the minutes will
be incremented by 1 (minutesValue + 1
), and 40 will be used for
seconds.
Examples
Using setHours()
var theBigDay = new Date();
theBigDay.setHours(7);
Specifications
Specification |
---|
ECMAScript Language Specification # sec-date.prototype.sethours |
Browser compatibility
BCD tables only load in the browser