
Planning commercial schedules or travel in Wiang Sa, Nan, Thailand? Track upcoming statutory holidays and local bank closures across Wiang Sa.
Businesses, retail banks, and public services throughout Wiang Sa follow official statutory holiday schedules for non-working day closures. Fixed statutory national holidays (such as Chulalongkorn Day (Wan Piyamaharaj) on October 23) mandate official non-working status for banks and government offices in Wiang Sa.
This is Thailand's national public holiday calendar — the same live calendar shown on Thailand's country-level and Nan holiday pages — embedded here because public holidays are set nationally and apply the same way in Wiang Sa as anywhere else in Thailand.
◀ Showing upcoming public holidays — use the back arrow in the calendar toolbar to browse earlier dates this year.
These are Thailand's official statutory fixed-date public holidays — the same national list shown on Thailand's country and Nan holiday pages — mandated by national labor law and applicable to financial institutions, schools, and government administration in Wiang Sa just as everywhere else in Thailand.
| Holiday Name | Fixed Date | Category | Closure Status | Official Source |
|---|---|---|---|---|
| Chulalongkorn Day (Wan Piyamaharaj) | October 23 | National Public Holiday | Full National Closure (Banks & Financial Institutions) | www.thaigov.go.th |
| King Bhumibol Adulyadej Birthday & National Day | December 5 | National Day | Full National Closure | www.thaigov.go.th |
Statutory holidays landing on a Monday, Friday, Tuesday or Thursday create a long-weekend opportunity — here's what's coming up.
| Holiday | Date | Opportunity |
|---|---|---|
| Chulalongkorn Day (Wan Piyamaharaj) | Fri, Oct 23, 2026 | Automatic 3-day weekend |
Businesses in Wiang Sa generally follow the same statutory closure pattern as the rest of Thailand: banks and government offices close fully, while retail and hospitality tend to trim hours rather than close for the day.
A statutory holiday falling on a Saturday or Sunday in Wiang Sa doesn't simply get skipped — Thailand's gazette process typically moves the observed day off to the following Monday.
Wiang Sa runs on the Asia/Bangkok time zone, so statutory holidays here fall on the same local calendar date as the rest of Thailand — there's no cross-timezone shift to account for.