The ancient Egyptian calendar – a civil calendar – was a solar calendar with a 365-day year. The year consisted of three seasons of 120 days each, plus an intercalary month of five epagomenal days treated as outside of the year proper. Each season was divided into four months of 30 days.

2025年1月9日 · Calendar - Ancient Egypt, Solar Year, Lunar Month: The ancient Egyptians originally employed a calendar based upon the Moon, and, like many peoples throughout the world, they regulated their lunar calendar by means of the guidance of a sidereal calendar.

Egyptian calendar, dating system established several thousand years before the common era, the first calendar known to use a year of 365 days, approximately equal to the solar year. In addition to this civil calendar, the ancient Egyptians simultaneously maintained a second calendar based upon the phases of the moon.

Before the introduction of astrology, ancient Egyptians used the solar calendar exclusively, marking their days and years by stellar events. The heliacal rising of Sirius for example, was the start of the Nile flooding, which occurred every year at Cairo.

Solar calendar, any dating system based on the seasonal year of approximately 365 14 days, the time it takes the Earth to revolve once around the Sun. The Egyptians appear to have been the first to develop a solar calendar, using as a fixed point the annual sunrise reappearance of …

The Egyptian calendar combined lunar and solar elements to create a unique system, consisting of 12 months with 30 days each. The calendar included five additional days called ‘epagomenal days’ at the end of the year to align with the solar cycle.

2024年11月26日 · The ancient Egyptian solar calendar consisted of a 365-day year, divided into 12 months of 30 days each, followed by an additional 5 days known as the “epagomenal days.” This structure was revolutionary for its time and became …