Some of them do.
No. Between Rosh Hashanah and Yom Kippur are the "10 Days of Awe". It's a period of reflection.
Rosh Hashanah and Yom Kippur.
Shabbat and Yom Kippur are the two holiest holidays.
Rosh Hashanah and Yom Kippur.
High Holidays
Rosh Hashanah, Yom Kippur
Rosh Hashanah is the Jewish new year and Yom Kippur is the day of atonement.
Rosh Hashanah and Yom Kippur.
Rosh Hashanah and Yom Kippur.
Rosh Hashanah is on Rosh Chodesh. What you mean to ask is, What are the days between Rosh Hashanah and Yom Kippur. These are the Aseret Yemai Teshuvah, the Ten Days of Repentance.
One does not fast on Rosh Hashana. However, one does fast on Yom Kippur.
Rosh Hashanah is the Jewish new year which leads into the Days of Awe to be followed by Yom Kippur which is the Day of Atonement.