Bible Time

Roman Calendar

Query dates when you already know an "Old Style" Julian date.

Backround

This form allows you to query a month of dates corresponding to a date on the Roman calendar. This calendar uses January 1 as the New Years date throughout the years since the calendar was reformed early in the history of Rome. It does not use March 25 as New Years, so it is inappropriate for dates recorded on the Church's Julian calendar. (The Church calendar, was used in places like England and her colonies.)

Roman Calendar Query
Year:
Epoch:	AD AUC
Month:	1 2 3 4 5 6 7 8 9 10 11 12 13 14

• Not all years use all possible months. The year of confusion (46 BC) had 15 months. Years earlier than 46 BC had unknown history of leap months.

Notes

The Roman calendar, the calendar of the Roman Empire, underwent successive improvements.

Most changes are known and recorded here, but intercalenary periods before 46 BC are not known, so the average dates using this system will tend to come up shorter than what was actually lived before 46 BC.

This means that a date like 750 BC probably happened further back in time than recorded against the other calendars.

The reason these months are not known is because Rome was very pagan, leap months were never to happen while the nation was at war. Observation of a leap month would only happen when the Roman Senate voted such a month. Those legal proceedings do not survive.

Phil Stone
Updated June 22, 2007