May 11, 2026

Bangkok (Sanam Luang area)

Traditional ceremony in Bangkok; some government offices and banks adjust hours. Verify against BOT / your branch for the exact year.

Jun 1, 2026

Nationwide

Observed Monday off because Visakha Bucha falls on Sunday 31 May—alcohol restrictions still apply on the Sunday itself.

Jun 3, 2026

Nationwide

Her Majesty the Queen's birthday—public holiday.

Jun 15 – Aug 31, 2026

Bangkok metro

Year-round programming, but mid-year often packs indoor arenas and traffic around Ratchada / RCA / riverfront venues—plan parking and ride-hailing buffers.

Jul 1, 2026

Nationwide

Long-stay visa holders must report address every 90 days (or use re-entry to reset the clock per current rules). Mark your own deadline—this is a mid-year nudge, not legal advice.

Jul 28, 2026

Nationwide

His Majesty the King's birthday—public holiday.

Jul 29, 2026

Nationwide

Major Buddhist holy day—alcohol sales restrictions in many areas.

Aug 1 – Sep 15, 2026

Nationwide

Rough mid-year window when many international and Thai schools run major terms and exams; exact dates vary by school—check your campus calendar.

Aug 12, 2026

Nationwide

Her Majesty Queen Sirikit the Queen Mother's birthday and Thailand's Mother's Day—public holiday.

Oct 13, 2026

Nationwide

Memorial for King Rama IX—public holiday.

Oct 23, 2026

Nationwide

Commemorates King Rama V—public holiday.

Nov 3 – Nov 4, 2026

Nationwide (Chiang Mai, Bangkok, Sukhothai…)

Major cultural evenings; dates shift with the lunar calendar and by city (Chiang Mai Yi Peng vs elsewhere). Book transport and accommodation early.

Dec 7, 2026

Nationwide

Monday off because the King's birthday / National Day / Father's Day falls on Saturday 5 December.

Dec 10, 2026

Nationwide

Commemorates Thailand's constitution—public holiday.

Dec 31, 2026

Nationwide

Nationwide public holiday—banks closed; nightlife and travel peaks; plan transport.