The Jewish New Year
Jews celebrate the new year at a different time then the Gregorian calendar. Jews celebrate their new year around the same time schools start. This marks the start of the High Holy Days and is a very important holiday. According to Jewish tradition, the Book of Life is written on Rosh Hashana. For the next ten days there is the opportunity to atone for one's sins before the book is 'sealed' on Yom Kippur.
Rosh Hashana is considered by many to be a two day holiday, but some celebrate it for only one day.