You are hereUCG.org / Sermons / The Calendar, Part 4: Astronomy, Times, Signs, and... The Calendar, Part 4 Astronomy, Times, Signs, and Seasons Given on Feb 2, 2013 by Steven Shafer Listen Downloads MP3 Audio (7.8 MB) Downloads The Calendar, Part 4: Astronomy, Times, Signs, and Seasons MP3 Audio (7.8 MB) × This is a study of the Hebrew calendar, the calendar used by God's Church to calculate Holy time and festivals - Part 4. You might also be interested in....