The Story of Clocks and Calendars

Did you know that there is more than one calendar? While the most commonly used calendar was on the year 2000, the Jewish calendar said it was the year 5760, while the Muslim calendar said 1420 and the Chinese calendar said 4698. Why do these differences exist? How did ancient civilizations keep track of time? When and how were clocks first invented?

Author: Betsy Maestro

ISBN: 9780060589455

Subjects: English Science Humanities and Social Sciences Technologies Languages

Read Aloud: 5-7 8-11 12-14

Read Independent: 8-11 12-14


Just Good Books: The Story of Clocks and Calendars


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