All dates are when the special day is observed, not the day itself.
July 17: Asalha Puja Day and Buddhist Lent Day. Beginning of vassa observed.
During the Buddha’s time, monks were required to stay at their home temple, and not travel overnight during this retreat time known as vassa. Today, Theravadan monks follow this tradition.
September 4: The Story of Buddha
Masks optional as of March 12, 2022