When trying to determine what Properties can be selected for a script, pipe the cmdlet to Get-Member and the -join option to produce a list. For example:
(Get-Date | Get-Member -MemberType Property).Name -join ', '
Date, Day, DayOfWeek, DayOfYear, Hour, Kind, Microsecond, Millisecond, Minute, Month, Nanosecond, Second, Ticks, TimeOfDay, Year