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Date.IsInPreviousYear is a Power Query M function that indicates whether the given date(time) value occurs during the previous year, as determined by the system. The function returns a boolean value (true or false).

Compatible with: Power BI Service Power BI Desktop Excel Microsoft 365


Date.IsInPreviousYear( dateTime as any ) as nullable logical


Date.IsInPreviousYear checks if the dateTime argument (of type date, datetime, or datetimezone) falls in the previous year, based on the current system date and time, excluding the current year.


Determine if the year before the current system time is in the previous year.

// Output: true
Date.IsInPreviousYear( Date.AddYears( DateTime.FixedLocalNow(), -1 ) )

Other functions related to Date.IsInPreviousYear are:

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