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Short descriptionThis function adds or subtracts month to/from any given date.
Output

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titlenumber




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typeinfo

This function adds or subtracts month to/from any given date.


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Use this function instead of simply adding n * {MONTH}, since {MONTH}is a macro equivalent to 30 * {DAY}, not taking into account that there are months with 31/28/29 days. Negative values for n are used in order to subtract instead of adding.



Code Block
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titleSyntax
linenumberstrue
addMonths(timestamp, numbersOfMonths, timeZone) #Output: Number


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Parser expressionDescription


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addMonths({issue.duedate}, 3, LOCAL)


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{issue.duedate} has the value: March 25th, 2011 23:15


This function adds 3 months to the issue's due date. The return value would be June 25th, 2011 23:15 as number.


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linenumberstrue
addMonths({issue.cf11025}, -2, USER_LOCAL)


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{issue.cf11025} has the value: March 25th, 2011 23:15


This function subtracts 2 months from the custom date-time field (with the ID 11025). The return value would be January 25th, 2011 23:15 as number.

Instead of the Jira server's local time this example uses the current user's time zone.



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titleAdditional information

Parameters used in this function

ParameterInput (data type)Description
timestamp

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titlenumber

The parameter must be valid timestamp. Usually this value is retrieved from a field (e.g. due date, created date).
numberOfMonths

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titlenumber

The number defined here will be the offset in moths. 

Negative values are used to substract days.

Internally JWT multiplies this value with the time macro  {MONTH} to add full days to the timestamp. Learn more about time macros.

timeZone

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titletimezone

The time zone used for the calculation. 



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The function returns a
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 representing a timestamp.
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In this function we are not taking into consideration the fact that some months have more or less than 30 days.