# Methodology

## Source

- Astro-Databank collection C, Rodden Rating AA only.
- 3 604 profiles selected.

## Processing

1. Birth data preserved as recorded.
2. Place resolved to geographical coordinates.
3. Historical timezone offset applied.
4. True solar time correction computed.
5. Four Pillars (year, month, day, hour) calculated.
6. Day Master extracted.
7. Hidden stems, Ten Gods, Na Yin derived.
8. Advanced v2 weighting applied.
9. Luck cycles computed where available.

## Important

- No narrative interpretation included.
- No predictions.
- Results are technical calculations according to Tian Mira conventions.
- Methods may differ between BaZi schools.
- BaZi is a symbolic cultural system, not a scientific method.