DateTime.IsInPreviousMinute Function in Power Query

The DateTime.IsInPreviousMinute function in Power Query indicates whether the given datetime value occurs during the previous minute, as determined by the current date and time on the system.

Syntax

DateTime.IsInPreviousMinute(dateTime as any) as nullable logical

Example: Determine if the minute before the current system time is in the previous minute.

Power Query M

let
    Source = DateTime.IsInPreviousMinute(DateTime.FixedLocalNow() - #duration(0, 0, 1, 0))
in
    Source   

The output of the above code is TRUE.

Note: This function will return false when passed a value that occurs within the current minute.