What Date Is Twelfth Night 2025. Twelfth night is celebrated every 12 days after christmas, either january 5 or 6, depending on when the counting started — christmas day or boxing day. Twelfth night historically marks the twelfth day after christmas and the end of the twelve days of christmas, a period of celebration and merrymaking.

Twelfth night is celebrated every 12 days after christmas, either january 5 or 6, depending on when the counting started — christmas day or boxing day. Twelfth night is a bright festival taking place on the day of the epiphany.