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I have a client who plans events. They need a way to set task length, then have the system calculate the dates backwards from the event date to choose the task start or due date.


Most task management systems I use work the opposite way. You can set a task template based on day 1,2,3 of a project and then set the start date for the project and the due dates go in automatically. But I need to do this with the end date instead.


I was wondering if there was a way to do this in Air Table?

This shouldn’t be a problem.


You have a task table with an item that has a task length of 5 days.

You have a n Event table with an event date field.

In the task table you create a lookup field for the event date in the event table.

For your task start field, add a formula field to the task table as such: DATEADD( your lookup date field, - your task length field ,‘Days’)


You could then get a pretty good overview with calendar views and grouping by event or task start and the like.


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