intercalary
131Meton — (c. 432 bc) Greek astronomer Nothing is known about the life and personality of Meton. His proposed cycle, called the Metonic cycle, which was not accepted by the citizens of Athens, was designed to bring the lunar month and the solar year into… …
132Sosigenes — (c. 1st century bc) Egyptian astronomer Nothing seems to be known about Sosigenes apart from his design of the Julian calendar. By the time of Julius Caesar the Roman calendar was hopelessly out of alignment with the seasons. The Romans had… …
