Jumaada al-Thani 1, 1441 will be Sunday, January 26, 2020. The Chicago Hilal Committee received and verified reports of the moon being sighted by our contacts in Phoenix, AZ. on January 25 (Jumaada al-Awwal 29, 1441).
As such, Jumaada al-Awwal will complete with 29 days and the 1st of Jumaada al-Thani will be on Sunday, January 26th.
The Chicago Hilal Committee will meet next month on Sunday, February 23 (Jumaada al-Thani 29, 1441) to determine the start of Rajab, 1441, insha’Allah.