English interface
B.E. ↔ C.E. year converter
Convert Thai Buddhist Era and Common Era years.
ReviewedModerate-impact
Saves this tool's name on this device only (up to 20). No form values.
Only visible result text is included. Form fields are not read. Review sensitive values before sharing.
How to use it
- Enter a year.
- Choose the source era.
- Check the converted year and calculation.
Important limitation
The conversion uses a 543-year offset and is intended for ordinary modern dates.
The interactive form is fully localized in English.
Reviewed 2026-08-26; next review 2027-02-26.
Core calculations, cited sources and main test cases have been reviewed within the stated scope.
Traceable review record
Site changelogReview history
This is the recorded review history available in the repository, not an inferred release history. Dates are added only when evidence is recorded.
- Current review snapshot recorded
Core calculations, cited sources and main test cases have been reviewed within the stated scope.
Method version: review-2026-08-26