The Rama MiPano writes that Hashem atones our sins on the 486th hour of the year, the 6th hour of Hoshana Rabbah. Rav Shlomo Kluger writes that Hoshana Rabbah is greater than Yom Kippur.
The connection between Avraham Avinu and Hoshana Rabbah.
If the arava represents a Jew without Torah and maasim tovim, why do we aggrandize it?
Shiur provided courtesy of Torah Anytime