Sirius or Spdt in ancient Egyptian is characterized by high luminosity and is a member of the constellation Canis Major. The first day coincides with the arrival of the highest point of river Nile flood at Memphis, south west of Cairo, the capital of Egypt during the early dynastic period of the old kingdom. Egypt then was under the Roman Rule of Emperor Antoninus Pius.Discrepancies in year length underwent complex calculations considering stellar, solar and lunar cycles. The notion of eternal time was personified and deified.M." Its celebration falls on the 1st day of the month named Tut, the first month of the Coptic year, which usually coincides with the 11th day of September.The Coptic calendar, the oldest in history, originated three millennia before Christ. It is believed that Imhotep, the supreme official of King Djoser C.2670 BC.
Since the Epiphany is one of the seven great feasts of the Coptic Orthodox Church, it is a day of strict fasting, and several religious celebrations are held on this day.
The Coptic Leap Year follows the same rules as the Gregorian so that the extra month always has 6 days in the year before a Gregorian Leap Year.
The names of the months and their starting dates are as follows: The Feast of Neyrouz marks the first day of the Coptic Calendar known as the Year of the Martyrs "ANO MARTYRUM, A.
The feast of the Epiphany is celebrated by the Coptic Orthodox Church as the moment when in the baptism of Jesus the skies opened and God himself revealed to all as father of Jesus and all mankind. This celebration started to include all the processes of incarnation of Jesus, from his birth on Christmas until his baptism in the river Jordan.
Most of this time period isn’t told in the Bible and remains as the hidden life of Jesus.