Solved IF statements with dates

November 11, 2013 at 13:09:51
Specs: Windows 8
Launch date = 2/16/2014
List for someone to select = T+1. T-0, T-1 etc...
T+1 = 7 days after the launch, T-1 = 7 days before the launch etc...

If want a formula that will take the list selection (T-1) and then count back by 7 days from the launch date to populate a due date for that action item.

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November 11, 2013 at 15:36:56
✔ Best Answer
When you say "List for someone to select = T+1. T-0, T-1 etc..." do you mean a Data Validation Drop Down List?

If so, something like this might work.

Column A contains the values for your Drop Down List
Column B contains your launch date
Column C contains the actual Drop Down
Column D contains the formula shown

For T-2, the formula will return 2/2/2014.

         A            B          C                   D     
 1      T-2        2/16/2014    T-2    =RIGHT(C1,LEN(C1)-1)*7+B1
 2      T-1			
 3      T+0			
 4      T+1			
 5      T+2			

Note, if the "T" values will always be a single digit, then you can use this:


Using the LEN function as above allows for any value, such as 20, 137, etc., as long as the value doesn't result in an invalid date.

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November 12, 2013 at 08:36:50
OMG, that's amazing! Thank you so much.

Maybe you can help me with the next part...

One page one I do have a list to select from (T+4, T+3, T+2 etc...) and the next column over is a due date. I think I need an IF statement so that if I select T-2 from the list, the due date will auto populate to sheet 2, D1 (D1 being from your example above. Does that make sense?

1. T-2 (from list) 2/2/2014 (sheet 2, d1 (formula you provided))
2. T+4 (from list) 3/16/2014 (sheet 2, formula you provided)

message edited by tabitha8503

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November 12, 2013 at 09:33:41
First, a posting tip:

Before posting example data in this forum, please click on the blue line at the end of this post and read the instructions on how to format example data so that it is easier for us to read. Thanks!

Is this what you are looking for?


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