DateTime.IsInPreviousHour is a Power Query M function that indicates whether the provided date(time) value occurs during the previous hour. The function returns true if the value occurs in the previous hour, otherwise false.

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


DateTime.IsInPreviousHour( dateTime as any ) as nullable logical


Indicates whether the given datetime value dateTime occurs during the previous hour, 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 hour.

  • dateTime: A datetime, or datetimezone value to be evaluated.


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

// Output: true
DateTime.IsInPreviousHour( DateTime.FixedLocalNow() - #duration( 0, 1, 0, 0 ) )

Other functions related to DateTime.IsInPreviousHour are:

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Last update: August 25, 2023 | Contribute » | Contributors: Rick de Groot
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