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.
datetimezonevalue to be evaluated.
Determine if the hour before the current system time is in the previous hour.
DateTime.IsInPreviousHour(DateTime.FixedLocalNow() - #duration(0, 1, 0, 0))