Enumerated type representing the days of the week.

TDays = (TDaySun, TDayMon, TDayTue, TDayWed, TDayThu, TDayFri, TDaySat);

TDays is an enumerated type that represents the ordinal value for the days of the week. TDaySun is the inital (lowest) value in the enumeration. TDaySat is the final (highest) value in the enumeration.