Fans of “Seinfeld” may recall an exchange between Jerry and Elaine in which they discuss the appropriate timeline for delivering new year greetings. “I once got Happy New Year'd in March … it’s pathetic,” griped Jerry.
The Jewish calendar has a natural marker for when it’s appropriate to start wishing friends and loved ones a happy New Year. The Jewish month that precedes the Jewish New Year is called Elul, and the first day of Elul, Rosh Chodesh Elul, is the official beginning of the High Holiday season.
"15th of Shevat;" New Year of the Trees; Jewish Arbor Day, which is a minor festival.