You are hereUCG.org / Sermons / The Calendar, Part 10: Trumpets, Origin and History The Calendar, Part 10 Trumpets, Origin and History Given on Dec 21, 2013 by Steven Shafer Listen Downloads MP3 Audio (11.72 MB) Downloads The Calendar, Part 10: Trumpets, Origin and History MP3 Audio (11.72 MB) × This is a study of the Hebrew calendar, the calendar used by God's Church to calculate Holy time and festivals - Part 10. You might also be interested in....