TNCalendar is a Perpetual Calendar, covering from BC 1000 to AD 9999. It displays and provides all Moon phases for each month with minute accuracy. It has also many useful functions and properties such as Weekday, Day of Year, Leap Year, Julian Day, and date formatting procedures.TStringGrid descendant. It shows how to incorporate subcomponents. It runs smoothly across the Julian and Gregorian reform boundary that occurred by October 1582. It has a lot of useful variables and functions as it is demonstrated on the included Demo. It works on Delphi 5, 6 and 7. See also: TNTime, a Freeware Time Editor ComponentFreeware version is fully functional. Source Code (OPTIONAL) is $10.00