Dhul-Qadah 1, 1439 will be Sunday, July 15, 2018. There were no moon sightings reported on Friday, July 13, 2018 (Shawwal 29, 1439). As such, Shawwal will complete its cycle of 30 days and Dhul-Qadah will begin at Maghrib on Saturday, July 14, 2018. The 1st of Dhul-Qadah 1439 will be on Sunday, July 15, 2018.
The Chicago Hilal Committee will meet on, August 12th, 2018 (Dhul-Qadah 29, 1439) to determine the start of Dhul-Hijjah.
Eid-ul-Adha (10th of Dhul-Hijjah) will be on either Wednesday, August, 22nd or Thursday, August 23rd