Eid al-Adha begins on the 10th day of the month of Dhu al-Hijja (Zilhicce in Turkish) on the Muslim lunar calendar and lasts for four days.
16 was the first day of Dhu al-Hijja since the new moon was first sighted on the western coast of Argentina, and therefore, Oct.
Al-Fath, 21 Dhu ai-Qa'da and 19 Dhu al-Hijja
1349 AH; Ali Muhafiza, Mawqif Faransa wa Italiya min al-Wahda al-Arabiyya, 1919-1945 (Beirut: Markaz Dirasat al-Wahda al-Arabiyya, 1985), 456; Cleveland, Islam Against the West, 100.
Yemenis--who can afford it--will have a lamb slaughtered to commemorate the event on the tenth day of the month of Dhu Al-Hijja
in the Islamic calendar, corresponding to October 15, 2013.
The first month of the Hijri calendar is Muharram, followed by Safar, Rabi al-Awwal, Rabi al-Thani, Jumada al-Ula, Jumada al-Thani, Rajab, Sha'bah, Ramadan, Shawwal, Dhu al-Qi'da and Dhu al-Hijja