Rosh Hashanah - is the Jewish New Year. The biblical name for this holiday is Yom Teruah. It is the first of the High Holy Days.
Yom Kippur - also known as the Day of Atonement, is the holiest day of the year in Judaism. Its central themes are atonement and repentance.
Sukkot - Is a biblical Jewish holiday celebrated on the 15th day of the month of Tishrei
Chanukah - is a Jewish holiday commemorating the rededication of the Holy Temple (the Second Temple) in Jerusalem at the time of the Maccabean Revolt against the Seleucid Empire.
10th of Tevet - is a fast day in Judaism. It is one of the minor fasts observed from before dawn to nightfall. The fasting commemorates the siege of Jerusalem by Nebuchadnezzar II of Babylonia.
Tu B'Shevat - Is also called "New Year of the Trees." In contemporary Israel, the day is celebrated as an ecological awareness day, and trees are planted in celebration. Its role is important to the concept of Chadash.
Purim - is a Jewish holiday that commemorates the saving of the Jewish people from Haman, who was planning to kill all the Jews. This took place in the ancientPersian Empire. The story is recorded in the Biblical Book of Esther.
Passover - The Jewish people celebrate Passover as a commemoration of their liberation by God from slavery in Egyptand their freedom as a nation under the leadership of Moses.
Lag B'Omer - is a Jewish holiday celebrated on the 33rd day of the Counting of the Omer, which occurs on the 18th day of the Hebrew month of Iyar. This day marks the Hillula of Rabbi Shimon bar Yochai.
Tisha B'Av - is an annual fast day which commemorates the anniversary of a number of disasters in Jewish history, primarily the destruction of both the First and Second Temples inJerusalem.
Shemini Atzeret - literally means "the assembly of the eighth day."
Simchat Torah - means "Rejoicing in the Torah." This holiday marks the completion of the annual cycle of weekly Torah readings.
Shavuot - known as the "Feast of Weeks" which occurs on the sixth day of Sivan. Shavuot has a double significance. It marks the all-important wheat harvest in the Land of Israel and it commemorates the anniversary of the day God gave the Torah to the entire nation of Israel assembled at Mount Sinai.
Tu B'Av - is a minor Jewish holiday. In modern-day Israel, it is celebrated as a holiday of love (Hag HaAhava), similar to Valentine's Day. It has been said to be a "great day for weddings".