Thout also known as Tout, is the first month of the Coptic calendar

Coptic calendar

The Coptic calendar, also called the Alexandrian calendar, is used by the Coptic Orthodox Church and still used in Egypt. This calendar is based on the ancient Egyptian calendar...

. It lies between 11 September and 10 October of the Gregorian calendar

Gregorian calendar

The Gregorian calendar, also known as the Western calendar, or Christian calendar, is the internationally accepted civil calendar. It was introduced by Pope Gregory XIII, after whom the calendar was named, by a decree signed on 24 February 1582, a papal bull known by its opening words Inter...

. The month of Thout is also the first month of the Season of Akhet (Inundation)

Season of the Inundation

The Season of the Inundation is the first season in the ancient Egyptian calendar and corresponds roughly with early September to early January....

 in Ancient Egypt

Ancient Egypt

Ancient Egypt was an ancient civilization of Northeastern Africa, concentrated along the lower reaches of the Nile River in what is now the modern country of Egypt. Egyptian civilization coalesced around 3150 BC with the political unification of Upper and Lower Egypt under the first pharaoh...

, when the Nile

Nile

The Nile is a major north-flowing river in North Africa, generally regarded as the longest river in the world. It is long. It runs through the ten countries of Sudan, South Sudan, Burundi, Rwanda, Democratic Republic of the Congo, Tanzania, Kenya, Ethiopia, Uganda and Egypt.The Nile has two major...

 floods historically covered the land of Egypt

Egypt

Egypt , officially the Arab Republic of Egypt, Arabic: , is a country mainly in North Africa, with the Sinai Peninsula forming a land bridge in Southwest Asia. Egypt is thus a transcontinental country, and a major power in Africa, the Mediterranean Basin, the Middle East and the Muslim world...

; it has not done so since the construction of the High Dam at Aswan

Aswan

Aswan , formerly spelled Assuan, is a city in the south of Egypt, the capital of the Aswan Governorate.It stands on the east bank of the Nile at the first cataract and is a busy market and tourist centre...

.

The name of the month comes from Thoth

Thoth

Thoth was considered one of the more important deities of the Egyptian pantheon. In art, he was often depicted as a man with the head of an ibis or a baboon, animals sacred to him. His feminine counterpart was Seshat...

, the Ancient Egyptian God of Wisdom.