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This is a Third-party Addon.
Please use carefully on data that is backed up, and help make it better by reporting any comments or problems to the author, or issues to the bug tracker
The Date Calculator Gramplet allows you to do date math.
Enter at least one valid date for Expression 1 and Expression 2 then click the Calculate button.
An expression can be:
- a valid Gramps date
- a positive or negative number (represents years)
- a positive or negative tuple (years, months, days)
Use the Clear button to start again.
Enter a date in each field in the following format ( YYYY-MM-DD ).