Dhu al-Hijjah is the twelfth and final month of the Islamic calendar and it is the month which comes after Dhu al-Qadah. Dhu al-Hijjah 2023 starts from 19 June to 18 July 2023.
The Hajj is performed on the eighth, ninth and the tenth of this month. Day of Arafah takes place on the ninth of the month. Eid al-Adha, begins on the tenth day and ends on sunset of the 13th.
The Islamic calendar is a lunar calendar, and months begin when the first crescent of a new moon is sighted. Since the Islamic lunar calendar year is 11 to 12 days shorter than the tropical year