Shavuot / Shavuos – Define

Shavuot (“weeks”) is one of three Pilgrim Festivals (along with Passover and Sukkot) in the Jewish calendar. It falls on the sixth day of Sivan beginning at sunset the night before and celebrates the Ten Commandments, the foundation of Jewish law. Shavuot is also known as the Feast of Weeks because it occurs seven weeks after the first day of Passover.

Originally, Shavuot was a time of bringing the first fruits of harvest to Jerusalem as a show of thanks but has since transformed into the anniversary of the day the

Torah was given to the Jewish People.

It is customary to read from the Book of Ruth and study the

Torah during Shavuot.

When is Shavuot this years? – Jewish CalendarIt is customary to decorate synagogues and homes with flowers and boughs.
The holiday of Shavuot begins at sundown tonight.

Women and girls light candles tonight to usher in the holiday.

First Day of Shavuot Torah Reading: Exodus 19: 1-20:23

Haftarah: Ezekiel 1: 1-28; 3:12

Reading of the Ten Commandments. All men, women and children should go to the synagogue to hear the reading of the Ten Commandments.

The youngest of children to the reading of the Ten Commandments in the synagogue on Shavuot. This is in commemoration of the Jewish people declaring: “Our children are our guarantors [that we will keep the Torah]”. This was the only guarantee acceptable to G-d (Midrash).

King David passed away on Shavuot. 
So did the father of the Chassidic movement, Rabbi Yisroel Baal Shem Tov. also see: ChassidusTEN COMMANDMENTS: When G-d revealed Himself on Mount Sinai, our entire people heard his voice proclaiming the Ten Commandments.   1) I am the L-rd your G-d who took you out of the land of Egypt.   2) You shall have no other gods before Me.   3) Do not take the name of the L-rd your G-d in vain.   4) Remember the Sabbath to keep it holy.   5) Honor your father and mother.   6) Do not murder.   7) Do not commit adultery.   8) Do not steal.   9) Do not bear false witness.

10) Do not covet.

also see: The Magic of Shavuot, 1967 by Larry Domnitch