subMonth()
Table of Contents
Overview
The subMonth() function takes dateTimeValue and numberOfMonths as arguments. It returns the dateTimeValue after subtracting the specified number of months from it. The date-time value will be returned in the format specified in Application Settings.
Note :
This function will consider the number simply in terms of months. Therefore, the number of days being subtracted could vary for different date-time values. For example, 01-Jan-2019 to 01-Feb-2019 and 01 Feb-2019 to 01-Mar-2019 will be considered 1 month each, although the number of days in each case is different.
Return Type
- Date-Time
Syntax
(OR)
Parameter | Description | Data type |
---|---|---|
<variable> | Variable which will contain the returned date-time value. | DATE-TIME |
<dateTimeValue> | The date-time value from which the specified number of months will be subtracted. The date-time value can be specified without a time value, in which case 00:00:00 will be taken as the default time value. If the hour value is specified as 24 or more, the date-time value be reset to 00:00:00. If the minutes value is specified as 60 or more, the mm:ss value will be reset to 00:00, if the seconds value is specified as 60 or more, the ss value will be reset to 00. A runtime error will be encountered if:
Refer this help document to learn about the supported date-time formats. | DATE-TIME |
<numberOfMonths> | The number of months to be subtracted from dateTimeValue. A negative number will add the specified number of months to. dateTimeValue | NUMBER |
Examples
newDate = currentDate.subMonth(1); // returns '01-Dec-2018 00:00:00'