We follow the Egyptian calendar system, the most ancient on the planet.
The Egyptian calendar has 13 months, 12 of 30 days each and one at the end of the year of 5 days, or 6 days in leap years.
The years of the calendar are counted from AD 284, the year Diocletianus became Roman Emperor.
The first day of the year 1 was 29 August 284 in the Julian calendar.
The year starts on the first day of the month of Thōūt, the first month of the Egyptian year.
It coincides with the Gregorian Calendar’s 11 September, or 12 September before a leap year, but for any year,
it coincides with Julian Calendar’s 29 August, or 30 August before a leap year.
Each month is divided into three 10-day periods known as decans. Each decan forms a constellation on the sky.
Calendar calculator
Here you can convert a specific date from the Gregorian calendar into a date of the Hebrew calendar
and of the Coptic calendar.
For example, you can find out on which day your birthday is according to the Coptic calendar.
In the overview below you can look up the decan of your birthday, etc.
(Since the Hebrew calendar is a lunar calendar, it can be used to determine the position of the moon.
From the 1st to about the 14th or 15th of each month there is a waxing moon, then a waning moon.
A full moon therefore indicates the middle of a month.)
