DateTime.IsInCurrentMinute Function in Power Query
The DateTime.IsInCurrentMinute function in Power Query indicates whether the given datetime value occurs during the current minute, as determined by the current date and time on the system.
Syntax
 DateTime.IsInCurrentMinute(dateTime as any) as nullable logical 
- dateTime: A datetime, or datetimezone value to be evaluated.
 
Example: Determine if the current system time is in the current minute.
Power Query M
let
    Source = DateTime.IsInCurrentMinute(DateTime.FixedLocalNow())
in
    Source         The output of the above code is TRUE.