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Aish.com on Instagram: "A shofar is a type of horn made by hollowing out, polishing, and shaping the horn of a ram. The shofar is blown on Rosh Hashanah, the first day of the Jewish year. It's a type of alarm, and it's supposed to remind you that a new year is beginning, and to get focused on your mission and purpose in life. At the very end of Yom Kippur, the Day of Atonement, after a full day of fasting and prayer, a shofar also is blown, which signifies the end of the day. On a simple level,