Julian Calendar-Modern Calendar Conversion Table

 

Compiled by Clifton D. Healy

© 2000 Clifton D. Healy

Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1
 Kal Kal Kal Kal Kal Kal Kal Kal Kal Kal Kal Kal
2
 4 Non 4 Non 6 Non 4 Non 6 Non 4 Non 6 Non 4 Non 4 Non 6 Non 4 Non 4 Non
3
 3 Non 3 Non 5 Non 3 Non 5 Non 3 Non 5 Non 3 Non 3 Non 5 Non 3 Non 3 Non
4
 P Non* P Non* 4 Non P Non* 4 Non P Non* 4 Non P Non* P Non* 4 Non P Non* P Non*
5
 Nones Nones 3 Non Nones 3 Non Nones 3 Non Nones Nones 3 Non Nones Nones
6
 8 Id 8 Id P Non* 8 Id P Non* 8 Id P Non* 8 Id 8 Id P Non* 8 Id 8 Id
7
 7 Id 7 Id Nones 7 Id Nones 7 Id Nones 7 Id 7 Id Nones 7 Id 7 Id
8
 6 Id 6 Id 8 Id 6 Id 8 Id 6 Id 8 Id 6 Id 6 Id 8 Id 6 Id 6 Id
9
 5 Id 5 Id 7 Id 5 Id 7 Id 5 Id 7 Id 5 Id 5 Id 7 Id 5 Id 5 Id
10
 4 Id 4 Id 6 Id 4 Id 6 Id 4 Id 6 Id 4 Id 4 Id 6 Id 4 Id 4 Id
11
 3 Id 3 Id 5 Id 3 Id 5 Id 3 Id 5 Id 3 Id 3 Id 5 Id 3 Id 3 Id
12
 P Id* P Id* 4 Id P Id* 4 Id P Id* 4 Id P Id* P Id* 4 Id P Id* P Id*
13
 Idus Idus 3 Id Idus 3 Id Idus 3 Id Idus Idus 3 Id Idus Idus
14
 19 Kal 16 Kal P Id* 18 Kal P Id* 18 Kal P Id* 19 Kal 18 Kal P Id* 18 Kal 19 Kal
15
 18 Kal 15 Kal Idus 17 Kal Idus 17 Kal Idus 18 Kal 17 Kal Idus 17 Kal 18 Kal
16
 17 Kal 14 Kal 17 Kal 16 Kal 17 Kal 16 Kal 17 Kal 17 Kal 16 Kal 17 Kal 16 Kal 17 Kal
17
 16 Kal 13 Kal 16 Kal 15 Kal 16 Kal 15 Kal 16 Kal 16 Kal 15 Kal 16 Kal 15 Kal 16 Kal
18
 15 Kal 12 Kal 15 Kal 14 Kal 15 Kal 14 Kal 15 Kal 15 Kal 14 Kal 15 Kal 14 Kal 15 Kal
19
 14 Kal 11 Kal 14 Kal 13 Kal 14 Kal 13 Kal 14 Kal 14 Kal 13 Kal 14 Kal 13 Kal 14 Kal
20
 13 Kal 10 Kal 13 Kal 12 Kal 13 Kal 12 Kal 13 Kal 13 Kal 12 Kal 13 Kal 12 Kal 13 Kal
21
 12 Kal 9 Kal 12 Kal 11 Kal 12 Kal 11 Kal 12 Kal 12 Kal 11 Kal 12 Kal 11 Kal 12 Kal
22
 11 Kal 8 Kal 11 Kal 10 Kal 11 Kal 10 Kal 11 Kal 11 Kal 10 Kal 11 Kal 10 Kal 11 Kal
23
 10 Kal 7 Kal 10 Kal 9 Kal 10 Kal 9 Kal 10 Kal 10 Kal 9 Kal 10 Kal 9 Kal 10 Kal
24
 9 Kal 6 Kal** 9 Kal 8 Kal 9 Kal 8 Kal 9 Kal 9 Kal 8 Kal 9 Kal 8 Kal 9 Kal
25
 8 Kal 5 Kal 8 Kal 7 Kal 8 Kal 7 Kal 8 Kal 8 Kal 7 Kal 8 Kal 7 Kal 8 Kal
26
 7 Kal 4 Kal 7 Kal 6 Kal 7 Kal 6 Kal 7 Kal 7 Kal 6 Kal 7 Kal 6 Kal 7 Kal
27
 6 Kal 3 Kal 6 Kal 5 Kal 6 Kal 5 Kal 6 Kal 6 Kal 5 Kal 6 Kal 5 Kal 6 Kal
28
 5 Kal P Kal* 5 Kal 4 Kal 5 Kal 4 Kal 5 Kal 5 Kal 4 Kal 5 Kal 4 Kal 5 Kal
29
 4 Kal   4 Kal 3 Kal 4 Kal 3 Kal 4 Kal 4 Kal 3 Kal 4 Kal 3 Kal 4 Kal
30
 3 Kal   3 Kal P Kal* 3 Kal P Kal* 3 Kal 3 Kal P Kal* 3 Kal P Kal* 3 Kal
31
 P Kal*   P Kal*   P Kal*   P Kal* P Kal*   P Kal*   P Kal*

Note that the Romans counted both the terminating day and the starting day in their calculations. Thus, what for us is 2 days before the first of the month was the 3rd Kalendae.

* P Non (Kal, Id) is Pridie Nonae. Pridie Kalendae (Nonae, Idus) is the day before the Kalends, Nones, or Ides of the month.

** In a leap year, the VI Kalendae gets counted twice, moving the remaining days "down" the calendar so that the Pridie Kalendae Martias falls on the equivalent of our 29th of Feb.

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[Last updated 18 November 2001]

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