I need to compare a new dates with the other dates in that column.

For Example I have a column called Start Date. When a new start date is added I need to compare it to all the other start dates. I am guessing I should use another helper column, but I need the brain power on this

Best Answer

  • Mike TV
    Mike TV ✭✭✭✭✭✭
    Answer βœ“

    @Jeff Zorn

    Does this accomplish what you're after?

    Example Sheet:

    image.png

    Same Date Count formula:

    =COUNTIF([Start Date]:[Start Date], =[Start Date]@row)

    Is Taken? formula:

    =IF([Same Date Count]@row > 1, true, false)

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