When the sun goes down the new Athenian month begins. Here are the dates.
April 27: Nourmia
April 28: Agathos Daemon
April 29: Honoring Athena
April 30: Honoring Aphrodite, Hermes, Heracles Eros/Sacrifices to Leto, Pythian Apollon, Zeus, Hermes, Dioscuria
May 2: Honoring Artemis
May 3: Honoring Apollon/ Thargelia
May 4: Honoring Poseidon and Theseus
May 10: Full Moon (Honoring Selene, Hecate, and Artemis)
May 13: Libations to Apollon
May 15: Festival to honor Thracian Goddess Bendis
May 21: Plyntenia
May 25: New Moon (Honoring Hecate)
Have a good month.