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yios
Helper I
Helper I

DAX Shift back a datetime variable 70 minutes

Hi all

I have a calculated column which computes a datetime value and stores it in a var.

Then i want to reduce this datetime 70 minutes, for example var has value 2/8/2019 15:00 pm and i want to return 2/8/2019 13:50 pm

How can i do it?

 

I have seen in other posts a method with M language but i need a method with DAX code.

 

Thanks in advanced  

1 ACCEPTED SOLUTION
AlB
Super User
Super User

Hi @yios

Datetime type is actually a number where the integer part represents the days and the part behind the decimal separator a fraction of a day. 1/24 would be 1 hour, 1/(24*60) one minute. Based on this you can subtract 70 minutes simply by subtracting 70*/(24*60) from the datetime variable: 

NewColumn =  Table1[TimeStamp] - 70*/(24*60)

Then convert NewColumn to type DateTime again (the result of the operation will be a decimal number initially)   

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2 REPLIES 2
AlB
Super User
Super User

Hi @yios

Datetime type is actually a number where the integer part represents the days and the part behind the decimal separator a fraction of a day. 1/24 would be 1 hour, 1/(24*60) one minute. Based on this you can subtract 70 minutes simply by subtracting 70*/(24*60) from the datetime variable: 

NewColumn =  Table1[TimeStamp] - 70*/(24*60)

Then convert NewColumn to type DateTime again (the result of the operation will be a decimal number initially)   

Thanks @AlB 

It works!

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