Buddha Birthday 2025. This day is a key moment for buddhists as it marks the buddha’s birth, enlightenment, and passing, making it the most significant day in the buddhist calendar. It’s observed on the full moon day of the vaisakha month, usually in may.

It’s observed on the full moon day of the vaisakha month, usually in may. Buddha’s birthday or buddha day (also known as buddha jayanti, buddha purnima, and buddha pournami) is a primarily buddhist festival that is celebrated in most of south, southeast and east asia, commemorating the birth of the prince siddhartha gautama, who became the gautama buddha and founded buddhism.