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Numio

Thai Buddhist Era Converter (BE and CE) — Numio

Convert dates between the Buddhist Era (BE) used in Thailand and the Christian Era (CE), with Arabic or Thai digits. Runs in your browser.

Convert in your browser · No sign-up

Converts a date between the Buddhist Era (BE) and the Christian Era (CE).

Up to 100,000 UTF-16 units per input and 1,000,000 per result. See the supported formats and examples below.

Result

Add your input or load an example, then run the tool. Your result will appear here.

How to use

  1. Type the date as YYYY-MM-DD in the year you start from.
  2. Choose CE to BE or BE to CE, and choose Arabic or Thai digits.
  3. Copy the result.

Example

2026-10-21 → 2569-10-21

Details and limitations

BE is CE plus 543 years. The tool shifts the year only and does not model older Thai calendar changes.

Use this for year conversion. Check official sources for public holiday dates.

FAQ

Why is the year 543 years different?

The Buddhist Era counts from the year of the Buddha's death, which is 543 years before the Christian Era.

Is my date uploaded?

No. The conversion runs in your browser.

Format references

Tool page updated: