The document may be freely distributed, provided this copyright notice is included and no money is charged for the document. No warranties are made as to its correctness. Its purpose is to give an overview of the Christian, Hebrew, and Islamic calendars in common use. It will provide a historical background for the Christian calendar, plus an overview of the French Revolutionary calendar, the Maya calendar, and the Chinese calendar.
Comments are very welcome.
My e-mail address is given above. Changes since version 2.2 A few minor corrections have been made, the most interesting being the new algorithm in section 5.8. The text in square brackets Contents 1.