Annual Events and Holidays in NYC π Manhattanhenge May half sun May 29, 2025 (20 days away) Learn More at A Great Big City Upcoming Events Tu BβShevat (January 31st)Washington's Birthday (February 19th)Diwali (November 7th) Learn more about: Rosh Hashanah (begins at sundown), Hanukkah (final night) or Full Moon (Strawberry Moon)