Based on the search results, there is no specific Jewish holiday today. However, there are several Jewish holidays that occur throughout the year, and their dates can vary from year to year based on the Jewish calendar, which is based primarily on the moon (lunar) . Some of the upcoming Jewish holidays listed in the search results include:

• Hanukkah: A festive eight-day celebration that falls during the darkest, coldest season of the year.
• Yom Kippur: The holiest day on the Jewish calendar, when people fast, pray, seek forgiveness from God and others, and come closer to God.
• Sukkot: One of the most joyful festivals on the Jewish calendar, which commemorates the 40 years of Jewish wandering in the desert after the giving of the Torah atop Mt. Sinai.
• Rosh Hashanah: The Jewish New Year, a time of prayer, self-reflection, and repentance.

To stay informed about holiday activities, one can check the websites of specific congregations or bookmark the Upcoming Events page of the Jewish Federation of St. Louis.