## How to calculate quarter start date or end date based on a given date in Excel?

Supposing, I have a list of dates in a worksheet, and now, I want to get the start date and end date of that quarter as following screenshot shown. How could I deal with this job quickly and easily in Excel?

Calculate quarter’s start date or end date based on given date with formulas

#### Calculate quarter’s start date or end date based on given date with formulas

To get the quarter’s start or end date of a given date, please do as follows:

To calculate the start date of a quarter based on a date:

Enter this formula: =DATE(YEAR(A2),FLOOR(MONTH(A2)-1,3)+1,1) into a blank cell where you want to locate the result, and drag the fill handle down to the cells which you want to apply this formula, and all the start dates of the quarter by the given dates have been calculated, see screenshot:

To calculate the end date of a quarter based on a date:

Please apply this formula: =DATE(YEAR(A2),((INT((MONTH(A2)-1)/3)+1)*3)+1,1)-1 into a blank cell where you want to output the result, and drag the fill handle down to the cells which you want to apply this formula, and all the end dates of the quarter by the given dates have been calculated, see screenshot:

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This comment was minimized by the moderator on the site
It is provide 01-01-1905. Is there any solution for it.
This comment was minimized by the moderator on the site
=DATE(YEAR(A2),((INT((MONTH(A2)-1)/3)+1)*3)+1,1)-1

would anyone be able to explain how the above formula works? its works for me but i would really like to know why and how.

Thanks!
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I need to calculate in between two different dates using per day value for 3 quarter how much? . What formula in excel
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