IF(AND for Date Range

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Thanks in advance to anyone who offers help.

I'm using the following formula to automatically group line items into the month they belong to (this is calculated from a "Modified Date" column which is automatically updated).

It's working fine for "October" but not for "November" and I can't figure out why. I've tried separating the clauses and I still get "Incorrect Argument" when calculating for November. Any ideas?

Formula:

=IF(AND([Modified Date]@row >= DATE(2023, 9, 30), [Modified Date]@row <= DATE(2023, 11, 1)), "October", IF(AND([Modified Date]@row >= DATE(2023, 10, 31), [Modified Date]@row <= DATE(2023, 12, 1), "November")))

Best Answer

  • Carson Penticuff
    Carson Penticuff ✭✭✭✭✭✭
    Answer ✓
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    You have "November" inside the second AND function instead of following it.

    =IF(AND([Modified Date]@row >= DATE(2023, 9, 30), [Modified Date]@row <= DATE(2023, 11, 1)), "October", IF(AND([Modified Date]@row >= DATE(2023, 10, 31), [Modified Date]@row <= DATE(2023, 12, 1), "November")))

    An additional note: Using ">=" and "<=" will include the listed date. 09/30 and 11/01 will count as October. Not sure if this was your intention.

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