STARTOFMONTH
Returns the first date of the month in the current context for the specified column of dates.
Syntax
STARTOFMONTH(<dates>)
Parameters
Term | Definition |
---|---|
dates | A column that contains dates. |
Return value
A table containing a single column and single row with a date value.
Remarks
The dates argument can be any of the following:
- A reference to a date/time column.
- A table expression that returns a single column of date/time values.
- A Boolean expression that defines a single-column table of date/time values.
Constraints on Boolean expressions are described in the topic, CALCULATE.
This function is not supported for use in DirectQuery mode when used in calculated columns or row-level security (RLS) rules.
Example
The following sample formula creates a measure that returns the start of the month, for the current context.
= STARTOFMONTH(DateTime[DateKey])
See also
Date and time functions
Time intelligence functions
STARTOFYEAR
STARTOFQUARTER