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BOOK OF DAYS » Origins of the Months' Names
 

View a calendar of festivals and holy days for each month by clicking its name.

January
From the Roman republican calendar month Januarius, named for Janus, god of beginnings and doorways.
February
From Roman republican calendar month Februarius, named for Februa, the feast of purification held on the 15th.
March
From Roman republican calendar month Martius, named for the god Mars.
April
From Roman republican calendar month Aprilis. The Romans considered the month sacred to the goddess Venus, and its name may derive from that of her Greek equivalent, Aphrodite.
May
From Roman republican calendar month Maius, probably named for the goddess Maia.
June
From Roman republican calendar month Junius, probably named for the goddess Juno.
July
From Roman republican calendar month Julius, named for Julius Caesar in 44 BC.
August
From Roman republican calendar month Augustus, named for the emperor Augustus in 8 BC.
September
Seventh month of early Roman republican calendar, from Latin septem, or seven.
October
Eighth month of early Roman republican calendar, from Latin octo, or eight.
November
Ninth month of early Roman republican calendar, from Latin nove, or nine.
December
Tenth month of early Roman republican calendar, from Latin decem, or ten.


Credits: (Related Resources) Includes material from the Wikipedia article "Gregorian calendar" and "Julian calendar", which are released under the Creative Commons Attribution-Share-Alike License 3.0.
Photo credits: (Related Resources) (1) Opening page of calendar, elaborate border design with human figures, 1530, Digital Collections, The New York Public Library on Wikimedia Commons (2) Medieval folding almanac, ca. 15th century, Wellcome Library on Wikimedia Commons, Creative Commons CC BY 4.0

Related Resources

Opening page of calendar, elaborate border design with human figures, 1530, Wikimedia Commons
The Gregorian calendar is internationally the most widely used civil calendar. Read more at Wikipedia.


Medieval almanac, 15th century, Wellcome Images, Wikimedia Commons
The Julian reform set the lengths of the months to their modern values. Read more at Wikipedia.