Calendars

Roman calendar

Julian dates named the Roman way, counting back to the Kalends, Nones and Ides, with years ab urbe condita (from the founding of Rome).

Reliability

From 45 BCE, when the Julian reform took effect.

Method

Reingold & Dershowitz, Calendrical Calculations

Culture

Ancient Rome

This calendar is shown for reference. Dates cannot be entered in it.