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

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


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


DateTime.IsInPreviousNSeconds indicates whether the given dateTime argument (which can be of type datetime or datetimezone) occurs during the previous number of seconds, as determined by the current date and time on the system. This function will return false for a value within the current second.


Determine if the second before the current system time is in the previous two seconds.

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

Other functions related to DateTime.IsInPreviousNSeconds are:

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