Operator Type:
Operator Scope of Action:
Operator Purpose:
Operator First Added:
Operator Last Altered:
Operator Has Optional Arguments:
Operator Has Newer Dot-Operator Variant:
Function [other Function type actions]
Item [operators of similar scope]
Date-time [other Date-time operators]
Baseline
As at baseline
[More on optional operator arguments]
Yes
hour(aDate[,hoursNum])
Alternatively, use Date.hour.
hour(aDate)
returns the hour element from the aDate date/time expression, which may simply be a date-type attribute value.
hour(theDate, hoursNum)
creates a new date based on the aDate expression, but in which the hour is hoursNumDate is not changed unless theDate is an attribute and the attribute is re-setting itself:
$MyDateA = hour($MyDate,14);
$MyDate is unaltered
$MyDate = hour($MyDate,14);
$MyDate is changed
Examples. If $MyDate is July 4,2009 09:30, then
$MyDate=hour($MyDate,19);
will change $MyDate to July 4, 2009 19:30.