Rav Moshe Feinstein said to daven marriv the earliest possible if someone is too weak in the congregation so they can drink something before megillah....

Both Men and Women are obligated to hear the megillah read by day and night.

Shul aka Synagogue

On the 13th of Adar the Jews gathered to defend their lives and take vengeance on their enemies. They had to plead to Hashem for mercy that he come to...