The Astronomical New Moon is on Wednesday September 24, 2014 at 6:14 UT. September 25, 2014 is the 1st day of Dhul Hijjah 1435. The day of Arafah – the main day of Hajj – is on Friday, October 3, 2014 and so the Eidul Adha 1435 is on Saturday, October 4, 2014.
The Eid al-Adha date is also in accordance with the Hajj authorities announcement of the Day of Arafah which is on Friday, October 3, 2014.
Eid Mubarak to you all!