Summary: Bodhi Day marks the moment 2,500 years ago at which Siddhartha Gautama attained enlightenment, ... Click on the image to display it full-size. The bodhi tree at Bodh Gaya.

Dec. 8 marks the celebration of Bodhi Day in Japanese Buddhism. Bodhi means enlightenment or awakening in Sanskrit. It commemorates the enlightenment of Siddhartha Gautama, who became the Buddha.