Sri Lanka Poson Full Moon Poya Day 2026
Sri Lanka Poson Full Moon Poya Day 2026: The Island’s Most Sacred Pilgrimage Month Arrives on June 29
There is a mountain in north-central Sri Lanka where, on a full moon evening more than two thousand years ago, a Buddhist monk appeared to a king who had been hunting deer, called him by his name, and changed the history of an entire island civilization in the space of a single conversation. That mountain is Mihintale. The monk was Arahant Mahinda, son of the Emperor Ashoka of India. The king was Devanampiyatissa of Anuradhapura. And the conversation that followed, in which the king answered a riddle about a mango tree and then listened to the first Buddhist sermon ever preached on Sri Lankan soil, set in motion a cultural transformation whose effects are visible in every stupa, every temple, every white-robed pilgrim on every full moon night across this island to this day.
On Monday, June 29, 2026, Sri Lanka observes Poson Full Moon Poya Day, the national public holiday that commemorates that moment and the twenty-three centuries of Buddhist civilization it initiated. Poson Full Moon Poya Day is a public holiday in Sri Lanka on June 29, 2026. It is a day off for the general population, and schools and most businesses are closed. For visitors fortunate enough to be on the island during the days surrounding this date, Poson offers one of the most genuinely moving and culturally immersive experiences available anywhere in the Buddhist world.
