Madin Full Moon Poya Day is a revered national holiday in Sri Lanka. It is a key event among the 12 Poya Days that are celebrated throughout the year. This holiday ties into the Buddhist tradition, in line with the lunar calendar, to commemorate significant events in the life of Gautama Buddha. Specifically, the Madin Full Moon Poya Day marks the first visit of Buddha to his birthplace after he achieved enlightenment.

On this key day, people tend to throng the Buddhist shrines across the country to offer their prayers. They participate in religious ceremonies, chant mantras, and meditate. Most Buddhist devotees also observe the eight precepts selected from the Buddhist code of discipline, where they lead a minimalist lifestyle and avoid indulgence for one day. This includes abstinence from meat, alcohol, and other luxury commodities, and focusing on charity and contemplation. This is seen as a time for people to further their spiritual development and introspection.

Aside from the religious affairs, Madin Full Moon Poya Day is also a public holiday in Sri Lanka. This means that schools and businesses are closed while the festivities take place. The day is filled with heartfelt warmth, generosity, and reflects the depth of culture and faith in Sri Lanka. The atmosphere possesses a tranquil quality, inviting people to unite under a common faith and transcend the mundane realities of life through a higher level of spirituality.