STARTOFMONTH DAX Function in Power BI

The OPENINGBALANCEMONTH DAX function returns a table containing a single column and single row with a date value, which specifies the first date of the month in the current context for the specified column of dates.

DAX Syntax STARTOFMONTH(dates)

The parameter dates specify a column that contains dates.

Example: Let’s create a measure with name "STARTOFMONTH Measure1".

DAX

STARTOFMONTH Measure1 = STARTOFMONTH('Students List'[Dates])

The output of the above dax code is shown below:

STARTOFMONTH dax function in Power BI