
True solar time correction and solar-corrected BaZi / Four Pillars casting — historical DST, longitude and equation of time, with hour-branch boundary detection. The step most chart tools skip. Deterministic, no auth, no state.
Prices and medians update for the tier you select.
Ranked by how closely each one matches True Solar Time's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.
Market = the products most similar to this one by capability; prices are median / quartiles over its priced members, separated by provider type and buyer tier.