Syntax
DateTime.IsInPreviousNHours(dateTime as any, hours as number) as nullable logical
Description
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.
Reference Data
https://docs.microsoft.com/en-us/powerquery-m/power-query-m-function-reference