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How do I determine the Start and End Dates of the current week?

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Posted on by Community Power Pla... Microsoft Employee

I am wanting to create two Compose actions that contain the first date in the current week and the last day in the current week based on today's date. I'm sure there is some really clever solution staring me in the face but would appreciate any and all help.

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PowerBack19 679 on at

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@Anonymous - Check out this thread. It may lead you down the right path: https://powerusers.microsoft.com/t5/Building-Flows/Take-current-date-and-display-date-of-forthcoming-Monday/td-p/195960
JohnAageAnderse 1,986 on at

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Hello @Anonymous
Please look at all the expression related to Date and time - then just think you way through the steps using those expressions, a single if equals (if your week starts on a Monday), and one or two sub expressions.
The first date of the current week can then be found 🙂
What have you tried already?
Kind regards, John
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ScottShearer 25,331 Most Valuable Professional on at

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@Anonymous

The following expression placed in a compose action will give you the beginning of the week:

addDays(utcNow(),mul(dayOfWeek(utcNow()),-1),'yyyy-MM-dd')

The following will give you the end of the week:

addDays(utcNow(),add(6,mul(dayOfWeek(utcNow()),-1)),'yyyy-MM-dd')
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v-alzhan-msft Microsoft Employee on at

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Hi @Anonymous ,

What day is the Start and End Dates for the current week on your understanding?

Is that Sunday is the Start Date and Saturday is the End Dates?

If yes, Please refer to screenshot below to create the flow:

the expression for the Start Date of this week is Compose:

if(equals(dayOfWeek(utcNow()),1),addDays(utcNow(),-1),if(equals(dayOfWeek(utcNow()),2),addDays(utcNow(),-2),if(equals(dayOfWeek(utcNow()),3),addDays(utcNow(),-3),if(equals(dayOfWeek(utcNow()),4),addDays(utcNow(),-4),if(equals(dayOfWeek(utcNow()),5),addDays(utcNow(),-5),if(equals(dayOfWeek(utcNow()),6),addDays(utcNow(),-6),if(equals(dayOfWeek(utcNow()),0),utcNow(),null)))))))

The expression for the End Date of this week is Compose 2:

if(equals(dayOfWeek(utcNow()),1),addDays(utcNow(),5),if(equals(dayOfWeek(utcNow()),2),addDays(utcNow(),4),if(equals(dayOfWeek(utcNow()),3),addDays(utcNow(),3),if(equals(dayOfWeek(utcNow()),4),addDays(utcNow(),2),if(equals(dayOfWeek(utcNow()),5),addDays(utcNow(),1),if(equals(dayOfWeek(utcNow()),6),addDays(utcNow(),0),if(equals(dayOfWeek(utcNow()),0),addDays(utcNow(),6),null)))))))

And you could format the date type with expression below Compose 3-Sart Date:

formatDateTime(outputs('Compose'),'yyyy-MM-dd')

And you could format the date type with expression below Compose 4-End Date:

formatDateTime(outputs('Compose_2'),'yyyy-MM-dd')

Best regards,

Alice

Community Support Team _ Alice Zhang
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.
Community Power Pla... Microsoft Employee on at

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@ScottShearer, that is very helpful. I noticed it is giving Sunday and Saturday as the end dates. Is there a way to configure to give Monday and Friday?
ScottShearer 25,331 Most Valuable Professional on at

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@Anonymous

Sure - imply add one day for the beginning of week expression and subtract one day for the end of week expression.

Beginning of week - never on Sunday:

addDays(addDays(utcNow(),mul(dayOfWeek(utcNow()),-1),'yyyy-MM-dd'),1,'yyyy-MM-dd')
Community Power Pla... Microsoft Employee on at

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@ScottShearer, that's awesome. Thank you!