Calendars

Ancient Egyptian civil calendar

Twelve months of 30 days plus five epagomenal days, with no leap years, so it drifted through the seasons; years of the Nabonassar era as used by Ptolemy.

Reliability

Arithmetic; the Nabonassar era begins 26 February 747 BCE (Julian).

Method

Reingold & Dershowitz, Calendrical Calculations

Culture

Ancient Egypt

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