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
Indicates whether the given datetime value
dateTime occurs during the previous year, as determined by the current date and time on the system. Note that this function will return false when passed a value that occurs within the current year.
datetimezonevalue to be evaluated.
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: