Vietnam's biggest holiday. Widespread closures for up to a week and transport booked out; dates late Jan–Feb.

🌙 First day of the lunar year: the second new moon after the winter solstice, always between 21 January and 20 February. The first three days are the main holidays.

Back-to-back national holidays (30 Apr–1 May) trigger a domestic travel peak; book ahead.

Biennial arts and heritage festival in the old imperial capital, with royal re-enactments. Usually April.

Weeks of international fireworks competition over the Han River in Da Nang. Usually June–July.

Lantern festival with mooncakes and lion dances, lively in Hoi An. Lunar dates, usually September.

🌙 15th day of the 8th Chinese lunar month: the full-moon night between mid-September and early October.