Livy tells about the formation of the Roman Calendar by the Roman King Numa and mentions the nymph Egeria.

2 Jewish New Years - Passover (Pesach) and Rosh Hashanah. The lunisolar Jewish calendar has two new years.

2 Jewish New Years - Passover (Pesach) and Rosh Hashanah. The lunisolar Jewish calendar has two new years.

Dating Easter. The dates for Easter do not correspond with the dates of the Jewish Passover.

The names of the months in the ancient Babylonian year.

Etext of The History of Rome, by Theodor Mommsen.

Etext of The History of Rome, by Theodor Mommsen.

Ancient calendars and timekeeping in China and Japan.

Information and resources on the pious, pacifistic Sabine second king of Rome, Numa Pompilius.

Questions and answers about the number 60.