DateTime.IsInPreviousNHours is a Power Query M function that indicates whether the provided date(time) value occurs during the previous number of hours specified. The function returns true if the value occurs within the specified hours, otherwise false.

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


   dateTime as any,
   hours as number,
) as nullable logical


Indicates whether the given datetime value dateTime occurs during the previous number of hours, 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.
  • hours: The number of hours.


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

// Output: true
DateTime.IsInPreviousNHours( DateTime.FixedLocalNow() - #duration( 0, 2, 0, 0 ), 2 )

Other functions related to DateTime.IsInPreviousNHours are:

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