Eid al Adha will be celebrated in Saudi Arabia and other Arab states on Thursday September 24, 2015
whereas Youm-ul-Haj or Youm-e-Arafa i.e the Haj 2015 will be on Wednesday September 23, 2015, it is officially announced.
The announcement was made after sighting of moon could not be reported from any part of the Kingdom today i.e. 29th Zul Qaadah.
"The first day of Eid al Adha will be on Thursday, September 24, 2015, as the Zul Hijjah moon was not sighted on Sunday, September 13, 2015", according to a statement from the Islamic Crescents' Observation Project.
"Monday will be the last day of Zul Qaadah and Tuesday, September 15, 2015, will mark the beginning of the lunar month of Zul Hijjah," the Supreme Court of Saudi Arabia said.
Eid al Adha is celebrated on 10th day of Zul Hijjah and Haj Day, also called as Arafat Day, coincides with 9th day of Zul Hijjah.
Haj and Eid al Adha are celebrated to commemorate the sacrifices made by Prophet Ibrahim, Prophet Ismael and his mother Hager.
Earlier, the moon sighting committees in the UAE and Saudi Arabia held meeting in their respective countries to witness Zul Hijjah crescent.
In India and Pakistan, the Central Ruet-e-Hilal Committee will meet tomorrow (Monday) to decide about the sighting of the Zul Hajjah moon.
Decison on Muslim festivals Eid al Fitr and Eid al Adha is based on lunar calendar system. As per this system, first day of a new month is decided if moon is sighted on 29th day of the preceding month.
Last year, Muslims performed Haj-e-Akbar in Saudi Arabia as Arafat Day was marked on Friday.