US Holiday On September 16 2021?

The following is a compilation of American federal holidays, federal observances, state holidays and other common patriotic and national observances and commemorations that apply to the United States during Thursday, 2021-09-16:

Yom Kippur:
^[tx-op] Yom Kippur, also known as Day of Atonement, is the holiest day of the year for the Jewish people. Its central themes are atonement and repentance. Jewish people traditionally observe this holy day with an approximate 25-hour period of fasting and intensive prayer, often spending most of the day in synagogue services. Yomk Kippur is the 10th day in Tishrei, in the Jewish calendar.