The Season of the Harvest or Low Water was the third and final season of the lunar and civil

Egyptian calendar 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. Ea ...

s. It fell after the Season of the Emergence (') and before the spiritually dangerous intercalary month ('), after which the New Year's festivities began the Season of the Inundation (''Ꜣḫt''). In the modern

Coptic calendar The Coptic calendar, also called the Alexandrian calendar, is a liturgical calendar used by the Coptic Orthodox Church and also used by the farming populace in Egypt. It was used for fiscal purposes in Egypt until the adoption of the Gregorian ...

it falls between Tobi 11 and Paoni 11.

Names

The Season of the Harvest was known to the Egyptians themselves as "LowWater" ( egy, Šmw), variously transliterated as Shemu or Shomu, in reference to the state of the

Nile The Nile, , Bohairic , lg, Kiira , Nobiin: Áman Dawū is a major north-flowing river in northeastern Africa. It flows into the Mediterranean Sea. The Nile is the longest river in Africa and has historically been considered the longest ...

before the beginning of its annual flood. It is also referred to as Summer or the Dry Season.

Lunar calendar

In the lunar calendar, the intercalary month was added as needed to maintain the

heliacal rising The heliacal rising ( ) or star rise of a star occurs annually, or the similar phenomenon of a planet, when it first becomes visible above the eastern horizon at dawn just before sunrise (thus becoming "the morning star") after a complete orbit of ...

Sirius Sirius is the brightest star in the night sky. Its name is derived from the Greek word , or , meaning 'glowing' or 'scorching'. The star is designated α Canis Majoris, Latinized to Alpha Canis Majoris, and abbreviated Alpha CM ...

in the fourth month of this season. This meant that the Season of the Harvest usually lasted from May to September. Because the precise timing of the flood varied, the months of "Low Water" no longer precisely reflected the state of the river but the season was usually the time for the collection of Egypt's grain harvest.

Civil calendar

In the civil calendar, the lack of leap years into the Ptolemaic and Roman periods meant the season lost about one day every four years and was not stable relative to the

solar year A tropical year or solar year (or tropical period) is the time that the Sun takes to return to the same position in the sky of a celestial body of the Solar System such as the Earth, completing a full cycle of seasons; for example, the time f ...

Gregorian calendar The Gregorian calendar is the calendar used in most parts of the world. It was introduced in October 1582 by Pope Gregory XIII as a modification of, and replacement for, the Julian calendar. The principal change was to space leap years diff ...

Months

The Season of the Harvest was divided into four months. In the lunar calendar, each began on a dawn when the waning crescent moon was no longer visible. In the civil calendar, each consisted of exactly 30 days. divided into three 10-day weeks known as

decans The decans (; Egyptian ''bꜣktw'' or ''baktiu'', " hoseconnected with work") are 36 groups of stars (small constellations) used in the ancient Egyptian astronomy to conveniently divide the 360 degree ecliptic into 36 parts of 10 degrees each, b ...

. In ancient Egypt, these months were usually recorded by their number within the season: I, II, III, and IV ''Šmw''. They were also known by the names of their principal festivals, which came to be increasingly used after the Persian occupation. These then became the basis for the names of the months of the

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