True Solar Time

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.

该来源不提供完整文件导出（国内平台多为平台内托管），仅存元数据与原链

接入信息

传输形态: http
鉴权方式: 鉴权未知
端点: https://true-solar-time--shan-liu-s3.run.tools

鉴权方式未标注，请核对官方文档后再接入——不要直接使用以下片段

{
  "mcpServers": {
    "True Solar Time": {
      "url": "https://true-solar-time--shan-liu-s3.run.tools"
    }
  }
}

能力清单

工具	说明
true_solar_time	Convert a recorded birth time (wall clock + IANA time zone + longitude) into true solar time — the time a BaZi / Four Pillars chart should actually be cast from. Returns the corrected instant, the total correction decomposed into DST + longitude + equation-of-time (the three always sum exactly), the resulting two-hour branch, distance to the nearest branch boundary, and whether the reported clock time even existed (spring-forward DST gaps, e.g. China 1986–91). Deterministic.
hour_branch	Which two-hour branch (子丑寅卯…) a given time falls in, and minutes to the nearest branch boundary. Use on an already-corrected time; for raw birth records use true_solar_time.
cast_pillars	Cast a BaZi / Four Pillars chart the right way round: true solar time correction FIRST, then the four pillars with hidden stems and Na Yin, plus luck cycles. Runs on the production Auspice Oracle engine — same conventions as auspiceoracle.com/en/method (late Zi keeps the civil day; year/month turn at exact solar-term instants). Facts only: no strength verdicts, no favorable elements, no interpretation. Deterministic.

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