Khorram Rooz ( ''xoram rūz'') is the first day of

Dey Dey (Arabic: داي), from the Turkish honorific title ''dayı'', literally meaning uncle, was the title given to the rulers of the Ottoman Algeria, Regency of Algiers (Algeria), Tripoli, Libya, Tripoli,Bertarelli (1929), p. 203. and Ottoman Tu ...

, the 10th month of the

Iranian calendar The Iranian calendars or Iranian chronology ( fa, گاه‌شماری ایرانی, ) are a succession of calendars invented or used for over two millennia in Iran, also known as Persia. One of the longest chronological records in human history, ...

. Both religious and non-religious traditions are associated with this day, such as the ancient

Persians The Persians are an Iranian ethnic group who comprise over half of the population of Iran. They share a common cultural system and are native speakers of the Persian language as well as of the languages that are closely related to Persian. ...

considering it the first day of the winter and rebirth of the sun. (Persian New Year is on the First day of the Spring in Iranian Calendar.)

Date

Khorram Rooz is the first day of

, the 10th month of the

Etymology

Persian Persian may refer to: * People and things from Iran, historically called ''Persia'' in the English language ** Persians, the majority ethnic group in Iran, not to be conflated with the Iranic peoples ** Persian language, an Iranian language of the ...

, "Khorram Rooz" translates to "happy day". The Muslim scholar

Abū Rayḥān al-Bīrūnī Abu Rayhan Muhammad ibn Ahmad al-Biruni (973 – after 1050) commonly known as al-Biruni, was a Khwarazmian Iranian in scholar and polymath during the Islamic Golden Age. He has been called variously the "founder of Indology", "Father of Co ...

wrote that the month Dey is also called ''khor''. The first day of the month is called ''khorerooz''. The Zoroastrians call it ''dey dadar jashn''.

Cultural significance

The followers of the

Mithraic mysteries Mithraism, also known as the Mithraic mysteries or the Cult of Mithras, was a Roman mystery religion centered on the god Mithras. Although inspired by Iranian worship of the Zoroastrian divinity (''yazata'') Mithra, the Roman Mithras is lin ...

consider the first day of Dey to be the birthday of the sun, because the days lengthen afterwards. In sasanid era cause of defeat if the calendar they were adding 5 days every four years to the last month of the fall and first days of winter. These 5 days were called Khorram Rooz (Nowrooz-E-Kuchak) but still the New Year was on the first day of spring in Iranian calendar.

References

* Razi, Hashem, Calendars and the ceremonies of ancient Iran, Tehran, Faravahr publisher, 1358

Date

Etymology

Cultural significance

References

See also