Our sages proclaimed the 15th of Av as one of the two greatest festivals of the year, yet they ordained no special observances or celebrations for it . . .

The Day of Awe: Rosh Hashanah, the Jewish New Year, and Yom Kippur, the Day of Atonement.

A spectacular celebration of Jewish unity, faith in G‑d, and the completion of the annual Torah reading cycle.

Chanukah commemorates the rededication of the Temple in Jerusalem after a group of Jewish warriors defeated the occupying mighty Greek armies.

What happened on 10 Tevet? . . . Why do we need the Holy Temple? . . . The positive aspects of a “siege mentality” . . . The Rebbe on the Holocaust . . .

Tu B’Shevat, the 15th of Shevat on the Jewish calendar, is the day that marks the beginning of a “new year” for trees.

Purim celebrates the deliverance of the Jewish people from the wicked Haman in the days of Queen Esther of Persia.

Passover (Pesach) celebrates the deliverance of the Jewish people from slavery in Egypt. Our Passover megasite has tools, guides, insights, stories, inspiration—and just about everything you need to celebrate Passover. (But bring your own wine.)

Thirty days ago we cleaned our homes and souls of leaven, and matzahed our way through the week-long festival of Passover. And now, Pesach Sheni—a Second Passover!

The birthday of Jewish mysticism . . . The spiritual significance of the bow and arrow . . . Can love be true, and can truth be loving? . . . What is Kabbalah?

Between the holidays of Passover and Shavuot, the Omer is counted each evening, signifying our preparation for the receiving of the Torah on the holiday of Shavuot. Your one-stop site for an enhanced Omer experience.

Shavuot marks the giving of the Torah on Mt. Sinai. The Ten Commandments are read in synagogues, just as they were in the desert on Mt. Sinai over 3,300 years ago.

Information on the septennial Hakhel and Shemitah (Sabbatical) years, and the once-in-28-years Sun Blessing.

An overview of holidays and special dates on the Chabad Chassidiic calendar