calendars

Provides a historical, cultural, and philosophical overview of December 21, 2012, the date on which the Maya Long Count calendar ends, and considers the significance of the date for the modern world.

Offers an overview of the time-keeping and holiday traditions of the world's major religions.

Looks at the religious roots of secular holidays, including Valentine's Day, Halloween, and Mother's Day.

An introduction to the concepts of weeks and months, explaining how they are used to measure time.

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.

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.

A month-by-month listing of important events occurring throughout world history on specific days of the year. Also lists birthdays of notable figures and includes chronologies of American presidents and world leaders, scientific developments, and historical events.

Presents cross-curriculum activity suggestions for grades K-2 involving calendars, from calendar clotheslines and journals to "Moon Math" and "Read Around the Week.".

Provides a general introduction to calendars, examining their uses, history, and reforms; describes several calendars, both ancient and modern, that have been used throughout the world; explores the mathematics of calendars; and discusses the history of Easter and the difficulties the Christian Church had setting its date.

Presents an overview of the history of the calendar, in simple text with illustrations, from ancient Egyptian time keepers to cesium clocks that records the passage of time accurately. Includes time line.