Decimal calendar
A decimal calendar is a calendar which includes units of time based on the decimal system.
Contents
History
Calendar of Romulus
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The original Roman calendar consisted of ten months (however, the calendar year only lasted 304 days, with 61 days during winter not assigned to any month).[1] The months of Ianuarius and Februarius were added to the calendar by Numa Pompilius in 700 BC.[1]
Egyptian calendar
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The ancient Egyptian calendar consisted of twelve months, each divided into three weeks of ten days, with five intercalary days.[2]
French Republican Calendar
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The French Republican Calendar was introduced (along with decimal time) in 1793, and was similar to the ancient Egyptian calendar.[3] It consisted of twelve months, each divided into three décades of ten days, with five or six intercalary days called sansculottides.[3] The calendar was abolished by Napoleon on January 1, 1806.[3]
Proposals
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The modern Gregorian calendar does not use decimal units of time, however several proposed calendar systems do. None of these have achieved widespread use.
