calendar: Development of the Modern Calendar

Sections in this article:

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

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2023, Columbia University Press. All rights reserved.

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