Daf Yomi is a daily regimen to study the entire Talmud Bavli one daf (i.e. two actual pages) one day at a time so that it can be completed in seven and a half years.
Daf Yomi at CAS is scheduled at
Monday to Friday at 7:10 am
Sunday at 7:45 am
Sunday Mornings at 7:15 am and 8:30 am in the Heyman Chapel
Shabbat at varying times usually 45 minutes prior to Mincha except in Winter Months - see the Shabbat Announcements for exact times each Shabbat.