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Help - How to get last week's number from date in Power Automate?

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Posted on 10 Feb 2025 11:38:19 by CU10021113-0

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Help - How to get last week's number from date in Power Automate?

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CU10021113-0 11 on 10 Feb 2025 at 19:28:22

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Help - How to get last week's number from date in Power Automate?

Thank you very much, solve my problem!
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Expiscornovus 31,732 Most Valuable Professional on 10 Feb 2025 at 12:08:28

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Help - How to get last week's number from date in Power Automate?

Hi @CU10021113-0,

You can calculate it with an expression. Ryan Maclean has for example shared a blog about this.

https://ryanmaclean365.com/2020/04/29/calculating-iso-8601-week-number-for-dates-in-power-automate/

In your case you want to change that expression to sub 1 week from the UtcNow (Today's date).

Below is an example based on ISO 8601 week numbers

That should return 6 today

sub(div(add(dayofyear(addDays(subtractFromTime(utcNow(), if(equals(dayofweek(utcNow()),0),6,sub(dayofweek(utcNow()),1)), 'Day'),3)),6),7), 1)

Happy to help out 😁

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