Three Kings Day Background 2025. The three kings' day, also known as epiphany, is a christian holiday celebrated every year on january 6 in many places across the globe. Epiphany is a christian feast day celebrating the revelation of god incarnate as jesus christ.

Also known as epiphany, the holiday is observed on jan. 6 january the following day, 6 january, starts with a breakfast of roscón de reyes, three kings cake.