You are hereUCG.org / Congregations / Tucson, AZ / Posts / Sabbath Service and Interactive Bible Study Tucson, AZ A Congregation of the United Church of God Welcome Posts Calendar Sermons Webcast Community Sabbath Service and Interactive Bible Study Updated 6 years ago The weekly Sabbath service and webcast will begin at 11:00 AM. An interactive Bible study will follow about 30 minutes after the conclusion of the service.