According to Live Science, the discovery sheds new light on the ancient Egyptian celebration of Wepet Renpet, or the Opening of the Year, a festival that was central to their culture and calendar.

This intricate timekeeping system, which predated the Gregorian calendar we use today, further demonstrates the Egyptians' ...

The Egyptian calendar was created around 4,800 years ago. It had 365 days in a year but no leap year. Therefore, the day of Wepet Renpet was subject to change based on the climactic seasons.

These have been reviewed recently by H. E. Winlock (“The Origin of the Ancient Egyptian Calendar”. Proc. American Philosophical Soc., 83, No. 3; 1940), introducing a further suggestion as to ...

Greek astronomer Claudius Ptolemy, who lived in Egypt, built upon Babylonian knowledge in his geocentric model of the ...