On the full moon of March (Mädin Pōya), the Buddha visited Laṅkā for the third time.

Medin Full Moon Poya Day holds profound significance for Buddhists worldwide as it commemorates pivotal events in the life of Siddhartha Gautama, who later became the Buddha. Falling on the full moon day in the month of Medin, typically in March, this auspicious occasion is a universal celebration of key moments in the spiritual journey of the enlightened one.