calendar

Introduction

calendar [Lat., from Kalends], system of reckoning time for the practical purpose of recording past events and calculating dates for future plans. The calendar is based on noting ordinary and easily observable natural events, the cycle of the sun through the seasons with equinox and solstice, and the recurrent phases of the moon.

Sections in this article:

Introduction
Measures of Time
Development of the Modern Calendar
The Christian Ecclesiastical Calendar
The Jewish Calendar
The Islamic Calendar
Other Calendars
Reckoning the Dates Assigned to Years
Bibliography

See more Encyclopedia articles on: Days, Months, Holidays, and Festivals

✖

Atlas Tools Menu

Encyclopedia Tools Menu

calendar

Introduction

Sections in this article: