The Jewish calendar is dated from the creation of the world.
Each Jewish year begins at Rosh Hashanah, which falls sometime during October or late September.
The Hebrew calendar year of 5772 began on September 29, 2011.
It was 5769 up until Rosh Hashanah, the Jewish New Year which this year began on the 18th of September in the secular calendar; so, according to the Jewish calendar, it is now 5770.
Hanukkah always starts on the 25th day of Kislev on the Jewish calendar. This date corresponds to sometime in December on the Gregorian calendar. The reason it varies is because the Jewish calendar is based on the lunar cycles and the Gregorian calendar is based on the solar cycles.
17 March 2009 = 21 of Adar 5769
The year that began at sunset on September 16, 2012 is 5773.
The Seder is on the first night of Passover which is the 15th of Nissan on the Jewish calendar. It corresponds to a different date each year on the Gregorian calendar. But is usually in the beginning to mid April.
September 24
Jesus' birthday is not marked in the Jewish calendar.
No, it was a regular day on the Jewish calendar (23 Elul 5761). Since it was perpetrated by Islamist Terrorists, it makes sense that it should have no correlation with any Jewish date.
It is the seventh month of the Jewish year, equivalent to Nisan of the modern Jewish calendar. As the Jewish calendar is different in length to the Gregorian calendar, there is not a directly corresponding month.
The 29th of Elul in 2012 will be September 16.
Ø The dating system used in Hispania began with year one in what is 38 BC (signifying the beginning of the Pax Romana in Hispania), so add 38 years to any Hispanic calendar date to get the Gregorian calendar date.