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Data Validation: allow any Monday-only date

Posted on 2011-09-28
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Last Modified: 2012-05-12
Hello,
I need a formula in Data Validation that restricts the entry of a date to a/any Monday.

The entry in the screenshot below allows no "mm/dd" entry whatsoever... shown only to help explain what is desired.  Thanks in advance...
  data validation dialogue box
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Question by:Berry Metzger
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Accepted Solution

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telyni19 earned 125 total points
ID: 36719928
Change the "Allow" choice to "Formula" and enter this:
=WEEKDAY(A1)=2

Where A1 should be the first cell in your range for data validation.
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Author Comment

by:Berry Metzger
ID: 36720086
Thanks.  That did it!
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