These are the Egyptians ... the geniuses and the pioneers..and the makers of history..and the owners of an impossible civilization..and the magic and the genius..The Egyptian geniuses..and the first annual calendar in history ... set by the Egyptians more than 4200 years BC .. the Egyptians observed The relationship between the emergence of the star "Sirius" or the star Shaarani..and the flood of the Nile that comes after it ..
So they put the first calendar in history .. They divided the year into 3 seasons..Each season is 4 months..Sister..Bert ... Shamo..Flood of a summer's summer
Each month is 30 days, and then they add 5 days at the end of the year..and the month is 3 weeks or sessions..and the week or session is 10 days..and they registered it on the walls of their temples (picture from the Kom Ombo temple) .. and in their papyri ..
This is the calendar that the Romans and Ptolemies took..and the basis of the Julian calendar that we are going through until now ... knowing that the Julian calendar was set by Julius Caesar in 46 AD.
Any more than 4000 years of the Egyptian calendar ..