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Question

Calculate days between dates in multiple tables

  • April 11, 2025
  • 1 reply
  • 31 views

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Hi there,

 

I have two tables:

  • One that stores a sale
  • One that stores interactions

Each sale has a date. Each interaction also has a date. There is a client dimension, each client can have multiple interactions. I can link to the interactions in the table where I see the sales. I'd like to calculate how many days are between the last interaction, and the actual sale. In my test, there are three interactions (note: European date notation):

11/2/2025, 28/11/2024, 6/12/2024

These are shown via a lookup value in my sales table.

The sale is formatted as follows: 11/4/2025 08:10

If I create a formula to calculate the number of days between last interaction and sales date, I get an incorrect answer: 20189

I think this is because the dates are not treated as an array, but as one text string.

 

Anyone an idea how to solve this? Thanks!

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1 reply

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  • Author
  • New Participant
  • April 11, 2025

I have solved this, by using Rollup!