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I have a field in a custom list called "WeekOf". I have a default statement that populates the date as the following Monday, but some people are entering for future weeks and then add a start date other than a Monday.

What statement should I put in the column validation to require a Monday?

I'd just figure it out myself, but the client wants it fixed asap.

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  • Do you want to allow only next Monday or any date which has day as monday?
    – Ganesh Sanap - MVP
    Commented Aug 10, 2020 at 13:05

1 Answer 1

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If you want your users to enter only future Monday's then try using below formula:

=IF(AND(TEXT(WEEKDAY([Date Column]), "dddd") = "Monday", [Date Column] > Today()), true, false)

If you want your users to enter current as well as future Monday's then try using below formula:

=IF(AND(TEXT(WEEKDAY([Date Column]), "dddd") = "Monday", [Date Column] >= Today()), true, false)

If you want your users to enter any Monday (Past, current or future) then use below formula:

=IF(TEXT(WEEKDAY([Forecast Release Date]), "dddd") = "Monday", true, false)
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  • 2
    The third option worked perfectly when I entered it into the List Validation Settings and changed the column name to match. Thanks, Ganesh!
    – ahowes
    Commented Aug 10, 2020 at 17:22
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    Great, Glad it worked for you. Please Upvote and accept it as an answer as it helped you.
    – Ganesh Sanap - MVP
    Commented Aug 10, 2020 at 17:33

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