In the first instance, in , the blast of a shofar emanating from the thick cloud on Mount Sinai makes the Israelites tremble in awe.

The shofar was used to announce the new moon and the Jubilee year. The first day of Tishrei (now known as Rosh Hashana) is termed a "memorial of blowing", or "day of blowing", the shofar. Shofars were used