Shofar. Bohemia. Probably 18th century. Metropolitan Museum of Art
CC Flickr User unforth
24: Speak unto the children of Israel, saying, In the seventh month, in the first day of the month, shall ye have a sabbath, a memorial of blowing of trumpets, an holy convocation.
Rosh Hashanah, the Jewish New Year, falls on the first and second days of the Jewish month of Tishrei. 10 days later is the Day of Atonement or Yom Kippur.
In the Jewish Calendar, this is the first day of the year 5773. Rosh Hashanah runs from sunset September 16, 2012 to nightfall September 18, 2012.