Quantity
Number a number with no scale
Bytecount a number of bytes
Currency a number of dollars (or other currency units)
Currencies a collection of currency values
Date a diurnal period in the history/future of the Earth
Time a number of seconds since midnight - time within a 24:00 clock
Moment a date or a date and a time
Period a range of moments
Duration a number of seconds (or minutes, hours, days, months, years)
Weekday
OrdinalWeekdayOfMonth
DayOfMonth
MonthOfYear
DayMonthOfYear
Year