Explores the history of the calendar as it relates to time-keeping in general, touching on lunar and solar years, almanacs and diaries, time zones and the International Date Line, and famous dates.
Introduces the concept of the day, in simple text with illustrations, and includes information how many days are in week, month, and year, and explains the different times of day: morning, afternoon, and night.
humanity's epic struggle to determine a true and accurate year
Duncan, David Ewing
1998
Examines the history of man's effort to organize time in civilizations around the world, from one of the earliest calendars made 13,000 years ago, to the atomic clock in Washington D.C. which has been the planet's official time keeper since the 1960s.
Presents an introduction to the concept of the months of the calendar, in simple text with illustrations, and includes information on the seasons and how the calendar is divided. Includes glossary.
Describes the invention of the calendar, looks at early methods of organizing time, introduces the people who helped create the modern calendar, and discusses its importance and impact on modern culture.
Discusses the year 2000 as a milestone marking two thousand years of human achievement, as a threshold leading into a new millennium, and as an important anniversary of the birth of Jesus Christ.
a brief history from lunar calendars to atomic clocks
Jenkins, Martin
2009
Introduces young readers to the concepts of time, how and why it is measured, when the first calendars and clocks were invented, and other questions about time.
