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## RECKONING DATES in the ROMAN CALENDAR (1) .pdf

Original filename: RECKONING_DATES_in_the_ROMAN_CALENDAR (1).pdf
Title: PowerPoint Presentation
Author: Seeger, Ryan

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KALENDS, NONES, &amp; IDES
• The Romans didn’t count the days in the month straight through from
1 – 31.
• Instead, they divided up each month into 3 parts.
• They counted each day prior to that part in the month.

• The 3 dividing parts (or markers)
• 1st—Kalends
• 5th—Nones
• 7th for March, May, July, October

• 13th—Ides
• 15th for March, May, July, October

CONVERTING THE MODERN CALENDAR TO THE ROMAN CALENDAR

• January 1 = The kalends of January
• January 2 = 4 days before the nones of January
 5 (nones) minus 2 (current day) = 3
• But the Romans counted inclusively.

 5 (nones) minus 2 (current day) = 3 + 1 = 4
• It’s 4 because we must count each day (Jan 2, 3, 4, &amp; 5).

 You will write 4 a.d. nones of January
• a.d. = ante diem (before the day)

CONVERTING THE MODERN CALENDAR TO THE ROMAN CALENDAR

• January 3 = 3 days before the nones of January
• January 4 = 2 days before the nones of January
However, if the day is one day before the marker,
then simply say:

• pridie (“the day before”) nones of January
• January 5 = the nones of January

CONVERTING THE MODERN CALENDAR TO THE ROMAN CALENDAR

• January 6 = 8 a.d. ides of January
 13 (ides) minus 6 (current day) = 7 + 1 = 8

• January 13 = The ides of January
• January 14 = 19 a.d. kalends of February
 We must go to the next marker (kalends of February).
 31 (end of month) minus 14 = 17 + 1 = 18
• Add one more to include the kalends of February

 31 (end of month) minus 14 = 17 + 2 = 19

SPECIAL MNEMONIC
In March, July, October, May
The Ides are on the 15th day
The Nones the 7th
But all besides
Have two days less
For the Nones and Ides

ROMAN CALENDAR
• What is today’s date in the Roman calendar?
• What is your birthday in the Roman calendar?

ROMAN YEARS
• The Romans number their years starting from their
first year with the mythical founding of Rome by
Romulus
• 753 B.C. = 1 Ab Urbe Condita (A.U.C.)
• 752 B.C. = 2 A.U.C.
 753 –752 = 1 + 1 (inclusive counting) = 2 A.U.C.

• 751 B.C. = 3 A.U.C.

ROMAN YEARS
• If Caesar died in 44 B.C., what was the Roman year (A.U.C.)?
 753 – 44 = 809 + 1 = 810 A.U.C.

• If Mt. Vesuvius erupted in A.D. 79, what was the Roman year
(A.U.C.)?
 753 + 79 = 832 A.U.C.

• If Rome fell in A.D. 476, what was the Roman year (A.U.C.)?
 753 + 476 = 1229 A.U.C.