If you’ve ever traveled to Thailand, you might have noticed that the years look centuries ahead. While much of the world calls this year 2025 A.D., in Thailand it’s already 2568 B.E. This can be confusing for tourists, expats, students, and business professionals dealing with Thai documents.
This post will explain the key differences between the Thai Buddhist Era (B.E.) calendar and the Western Gregorian (A.D.) calendar, show you how to convert dates instantly, and answer the most common questions people ask.

📌 Quick Conversion Formula – B.E. = A.D. + 543 – A.D. = B.E. – 543
✅ Examples: – 2025 A.D. = 2568 B.E. – 2000 A.D. = 2543 B.E.
Thai ⇄ Western Year Converter
This year (TH):
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This year (AD):
Rule: B.E. = A.D. + 543 • A.D. = B.E. – 543