the Jewish holiday Pentecost, which is the sixth and seventh days of the Jewish month Sivan
The "Festival of Weeks". This holiday marks the day the Torah was given to the Jewish people on Mount Sinai, 50 days after Pesach (Passover). It is commonly celebrated by reading the account of the giving of the Torah, learning Torah all night long until dawn, and eating a festive dairy meal. Cheesecake has been become a classic food staple of this holiday.
(lit., "weeks"): festival commemorating the Giving of the Torah at Sinai, in Eretz Yisrael falling on 6 Sivan, in the Diaspora on 6-7 Sivan