The prince who became the Buddha: a celebration across Asia

Cultures · Published 30 September 2026 Swipe more like this →

In short: Commemorating the birth of Siddhartha Gautama, Buddha's Birthday is a diverse global phenomenon. From the full moon of Vesak in South Asia to unique lunar traditions in East Asia, the festival's timing and rituals shift across borders, reflecting a complex tapestry of regional customs and ancient calendars.

The festival commemorates the birth of Prince Siddhartha Gautama, who founded Buddhism. According to tradition and archaeological evidence, Gautama was born in Lumbini, Nepal, around 623 BCE. His parents were King Śuddhodana and Queen Maya Devi, who reportedly delivered him while traveling to her native home. Today, the Mayadevi Temple and an Ashoka Pillar from 249 BCE mark this sacred site.

Because different regions follow various lunisolar calendars, the date of celebration varies significantly. In South and Southeast Asia, the festival is often known as Vesak, occurring on the full moon of the Vaisakha month, typically in April or May. In contrast, Tibetan Buddhism celebrates the birth on the 7th day of the 4th month, while East Asian traditions in China, Korea, Vietnam, and the Philippines observe it on the 8th day of the 4th month.

Rituals vary by culture. In Japan, the 'Flower Festival' involves pouring ama-cha—a hydrangea-based beverage—on Buddha statues to mimic bathing a newborn. In Macau, temples use 'Five Scented-Perfumed Water' for a similar ritual. In India, the holiday was made a public holiday by B. R. Ambedkar, and devotees often eat kheer, a sweet rice porridge, to remember the milk offered to the Buddha by the milkmaid Sujata.

The festival's timing is also influenced by historical shifts. For example, after the Meiji Restoration, Japan adopted the Gregorian calendar in 1873, though religious festivities largely maintained their traditional lunar timings until around 1945. Today, the date remains a moving target in the Western calendar, shifting between April, May, and occasionally June during leap years.

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