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Loy Krathong in Ayutthaya: A River Festival in a World Heritage City

By The Mercury EditorsJuly 19, 20265 min read

Loy Krathong in Ayutthaya: A River Festival in a World Heritage City

Loy Krathong falls on the full moon of the twelfth lunar month — usually in November, the exact date shifting each year with the lunar calendar. Across Thailand people set small floats of banana leaf, flowers and candles onto the water, a gesture of letting go and giving thanks to the river. In most cities it is lovely; in Ayutthaya, a former capital ringed by rivers and studded with lamplit ruins, it feels almost inevitable. If your trip lands near the November full moon, here is why the festival and the city belong together, and how to experience it well.

Why the festival and the city belong together

Loy Krathong is, at heart, a river festival — and Ayutthaya is a river city. The old capital was built on an island precisely to live off its waters, and on the November full moon those same rivers carry thousands of candle flames. The floats drifting past centuries-old ruins, the reflections doubling the light, the temples lit against the dark: the setting does something no purpose-built festival ground can. It is one of the few nights the city's original relationship with its rivers becomes visible again, exactly as it would have looked when Ayutthaya was a living capital.

How to experience it — and what to know

If your dates fall near the November full moon, plan to stay into the evening — this is a night festival, and the drive back to Bangkok is best avoided after dark on a busy night, so consider an overnight. Choose an eco-friendly krathong made of natural, biodegradable materials, which many vendors now offer, rather than foam; the same rivers you're honouring have to carry it. Expect crowds at the popular riverside temples and book anything time-sensitive well ahead. Exact dates and any official programme change yearly, so check the Tourism Authority of Thailand closer to the time.