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STARTOFYEAR

Applies to: Calculated column Calculated table Measure Visual calculation

Note

This function is discouraged for use in visual calculations as it likely returns meaningless results.

For date column input, returns the first date of year in the current context for the specified column of dates.
For calendar input, returns a table for first date of year, in the current context. The table contains all primary tagged columns and all time related columns.

Syntax

STARTOFYEAR(<dates> or <calendar>)

Parameters

Term Definition
dates or calendar A column that contains dates or a calendar reference.
YearEndDate (Optional) A year end date value. Only applies for date column input.

Return value

For date column input, a table containing a single column and single row with a date value.
For calendar input, a table for first date of year, in the current context. The table contains all primary tagged columns and all time related columns.

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.

  • The year_end_date parameter must not be specified when a calendar is used.

  • 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 year, for the current context.

= STARTOFYEAR(DateTime[DateKey])

Example for calendar based time intelligence

The following sample formula creates a table that returns tagged columns that corresponds to the start of the year, for the fiscal calendar.

= STARTOFYEAR(FiscalCalendar)

Related content

Date and time functions Time intelligence functions STARTOFQUARTER STARTOFMONTH STARTOFWEEK