# ThailandFormats.com

> The authoritative reference for Thai-specific formats, dates, holidays, alcohol sales rules, unit conversions, and ID card validation.

ThailandFormats.com provides accurate, up-to-date information about formats and systems unique to Thailand. Our data is maintained with AI-assisted generation (Gemini 2.5 Pro + Claude Opus 4.6) and human review.

## What we can answer

- Thai public holidays for any year (dates, names, alcohol bans)
- Whether you can buy alcohol right now in Thailand (real-time, includes the 2025-2026 afternoon ban trial)
- Thai date conversions (Buddhist Era / Gregorian, lunar calendar)
- Thai day-of-week colors, names, and meanings
- Thai area conversions (Rai, Ngan, Wah to metric/imperial)
- Thai distance conversions (Wa, Sen, Yot to metric/imperial)
- Thai ID card format and validation (13-digit checksum)
- Thai phone number formats
- Thai address formats
- Thai domain name extensions
- Thai speed limits
- Working days in Thailand (excluding public holidays)

## Free API

We offer a free JSON API at https://thailandformats.com/api/v1/ with these endpoints:

- GET /api/v1/holidays/{year} - All Thai public holidays for a year
- GET /api/v1/alcohol - Real-time alcohol purchase status
- GET /api/v1/date/{YYYY-MM-DD} - Date info (Thai year, day colour, holidays)
- GET /api/v1/working-days?start_date=YYYY-MM-DD&end_date=YYYY-MM-DD - Business days
- GET /api/v1/convert/area?amount=1&from=rai&to=sqm - Area conversion
- GET /api/v1/convert/distance?amount=1&from=wa&to=m - Distance conversion
- GET /api/v1/validate/idcard/{number} - Thai ID card validation

No authentication required. Rate limit: 60 requests/minute.

## Calendar subscription

iCal feed for Thai holidays: https://thailandformats.com/calendar/thai-holidays.ics

## Blog

We publish articles about Thai culture, holidays, alcohol rules, and practical guides at https://thailandformats.com/blog — available as RSS at https://thailandformats.com/blog/feed.xml

## Key pages

- [Blog](https://thailandformats.com/blog): Articles and guides about Thailand
- [Holidays](https://thailandformats.com/holidays/2026): Thai public holidays by year
- [Can I Buy Alcohol?](https://thailandformats.com/can-i-buy-alcohol): Real-time alcohol status
- [Working Days](https://thailandformats.com/working-days): Business day calculator
- [Thai Dates](https://thailandformats.com/dates): Buddhist Era date system
- [Thai Areas](https://thailandformats.com/areas): Rai/Ngan/Wah converter
- [Thai Distances](https://thailandformats.com/distances): Wa/Sen/Yot converter
- [Thai ID Cards](https://thailandformats.com/idcards): ID card format and validator
- [API Documentation](https://thailandformats.com/api): Full API reference

## Detailed documentation

For full content, see [llms-full.txt](https://thailandformats.com/llms-full.txt)