How do I add the year to a due date instead of just month and day?

[Jeanette Shaheen]

I'm trying to add a year to the due date, to not confuse it with similar activities last year that are now in the completed list.

[Ludo]

Hi

Variable {cardduedate+1y} is one year after the card is due.

https://help.trello.com/article/1159-arithmetic-in-date-variables