Table of Contents

Preface; Astronomical data in mean solar time; A universal calendar for the twentieth century; List of authorities on the Gregorian calendar; Part I: 1. The measurement of time, natural units, day, year, month; 2. The three possible forms of calendar; 3. The Greek calendar. Metonic cycle; 4. The Latin calendar; 5. The Julian reform; 6. Month and day in the Roman calendar; 7. The Gregorian calendar; 8. Other calendars - Jewish, Mahometan, French republican; 9. The week; 10. The Dominical or Sunday letter; Part II: 11. Cycles. The Metonic cycle. The solar cycle. Indiction; 12. Eras. Olympiad, era of Rome, etc.; 13. The Christian era. Dates of nativity and crucifixion; 14. The Julian period; Part III: 15. The date of Easter; Part IV: 16. The uses of the calendar; 17. The defects of the calendar; 18. How its defects may be remedied; Index.

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Originally published in 1921, this book provides a concise guide to the Western Calendar.