On this page



Use case

Create a calculated number field that displays the elapsed time in months since a date selected in a Date Picker field.


Configuration


Create a new Calculated Number Field (by JWT) custom field and name it properly.

Providing a description will help you to identify what the custom field does but this step is optional.



Parser expression

Add the following parser expression:

{issue.cfaaaaa} != null ? ((year({system.currentDateTime}, LOCAL) - year({issue.cfaaaaa}, LOCAL))*12 + month({system.currentDateTime}, LOCAL) - (month({issue.cfaaaaa}, LOCAL))) : null


Do not forget to replace {issue.cfaaaaa} with the field codes of your Date Picker field.



Display format

Content type

Choose Duration


Duration display format

The display format is Number with the following custom format.


## month(s)







Related use cases




JWT feature

Field typeNumber
Parser functionsmonth()
Label






Status
Tech review

Style guide