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Minus 1 month/4 weeks from date

I have a date field where a user puts in requested delivery date. I then need to calculate the date 4 weeks/1 month prior to that date. How can I do that?

 

Ideally the calculated date would be a formula so it can't be edited.

1 reply

null
    • Birger_H
    • 4 yrs ago
    • Reported - view

    4 weeks back:

    –––
    date(year('requested delivery date'), month('requested delivery date'), day(requested delivery date) - 28)
    –––

    One month back:

    –––
    date(year('requested delivery date'), month('requested delivery date') - 1, day('requested delivery date'))
    –––

    Birger

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  • 4 yrs agoLast active
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