====Who Should Fast====
# There is a custom to fast on Erev Rosh HaShanah.<ref>Shulchan Aruch Orach Chaim
582:2 based on a Midrash Tanchuma</ref>
# Where there is a [[Brit Milah]] that day, one may eat.<ref>Rama, Orach Chaim 581:2</ref> Some are of the opinion that one can exempt himself with a [[Siyum Masechet]]<ref>Orchot Rabbeinu Vol. 2, pg 172 in the name of the Steipler Gaon. Elef HaMagen S"K 77.</ref> or any other Seudat Mitzvah,<ref>Magen Avot (Lebhar, Orach Chaim 581:2</ref> as well.
#Some say that the minhag is that women do not fast on [[Erev Rosh Hashana]]. <ref>Mishna Brurah 581:16 writes that women also fast, but [http://www.theyeshivaworld.com/article.php?p=69877 Rabbi Yissachar Dov Krakowski] says this isn't the custom. </ref>