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I'm looking for some help with one formula on the Excel database I'm working on (column Q).

It is about calculating the delay (in # days) between two dates. The problem with making this difference is that only one of them is fixed and the other varies (depending on the date). I

n the attached Excel I had to do it case by case (row by row) for column Q, but I'm looking for a formula to automate it.

Thank you in advance for your help and advice!




PS: I also had doubts about my column C and D formulas but they seem to work. Feel free to give me your opinion on them. Thank you!

Here is an example without an error display if there is no date in a cell.

I would be happy to know if I could help.

I know I don't know anything (Socrates)