Forum Discussion

Anonymous's avatar
Anonymous
Not applicable
5 years ago
Solved

DAX for date difference

Hi, I have 2 dates "Start Date" and "End Date", I have to create a new column with the difference of these 2 dates as highlighled below. I want the new column to show up as 4/1/2021-4/30/2021...
Need Help
  • FrankAT's avatar
    FrankAT
    5 years ago

    Hi Anonymous ,

    so here is a third variation:

     

     

    Difference in Month = 
VAR _StartLessThanEnd =
IF (
    OR ( 'Table'[Start], 'Table'[End] ) = BLANK (),
    BLANK (),
    DATEDIFF ( 'Table'[Start], 'Table'[End], MONTH ) + 1
)
VAR _EndLessThanStart =
IF ( 
    OR ( 'Table'[Start], 'Table'[End] ) = BLANK (),
    BLANK (),
    DATEDIFF ( 'Table'[End], 'Table'[Start], MONTH ) + 1
)
RETURN
    if ( 'Table'[Start] < 'Table'[End], _StartlessThanEnd, _EndLessThanStart)

     

    With kind regards from the town where the legend of the 'Pied Piper of Hamelin' is at home
    FrankAT (Proud to be a Datanaut)

     

Anonymous's avatar
Anonymous
Not applicable
5 years ago

Hi FrankAT,

I cannot use +1 at the end blanks in start and end dtae columns and they would appear as 1 in my new column.

FrankAT's avatar
FrankAT
Community Champion
5 years ago

Hi Anonymous ,

use the following solution:

 

 

Difference in Month =
IF (
    OR ( 'Table'[Start], 'Table'[End] ) = BLANK (),
    BLANK (),
    DATEDIFF ( 'Table'[Start], 'Table'[End], MONTH ) + 1
)

With kind regards from the town where the legend of the 'Pied Piper of Hamelin' is at home
FrankAT (Proud to be a Datanaut)

  • Anonymous's avatar
    Anonymous
    Not applicable
    5 years ago

    Hi FrankAT ,

    This is working but there is an issue with dates whose end date(day) is greater than start date(day) its givning negative values as highlighted below