Shaban 1, 1433 will be Thursday, June 21, 2012. There were no authentic sighting reports on Tuesday, June 19, 2012 (Rajab 29, 1433). As such, Rajab will complete its cycle of 30 days and Shaban will begin at Maghrib on Wednesday, June 20, 2012. The 1st of Shaban 1433 will be on Thursday, June 21, 2012.
The Chicago Hilal Committee will meet on Thursday, July 19, 2012 (Shaban 29, 1433) to determine the start of Ramadan. Ramadan 1433 will start on either Friday, July 20th or Saturday, July 21st.