How Hourly Influences Work
Derive a dated hourly Jiazi from the effective day stem and double-hour boundary, disclose the time model, and limit it to cautious refinement.
Overview
An hourly influence is the stem-branch pair for one dated double-hour interval. The hour branch follows the declared clock or true-solar-time policy, while the hour stem is derived from the effective day stem through the Five Rats method. Historical time zone, longitude policy, day changeover, and boundary minutes can change the result. The layer may refine an already supported timing question, but it cannot replace the natal Hour Pillar or guarantee an event within two hours.
At a glance
- Unit
- Dated double-hour interval
- Hour branch
- Declared time-boundary model
- Hour stem
- Five Rats from effective day stem
- Required
- Zone, longitude, day boundary
- Role
- Finest optional refinement
- Boundary
- No two-hour event guarantee
Resolve the time model before the hour branch
Apply the historical IANA offset and disclose whether civil clock time, local mean solar time, or true solar time sets the double-hour.
Show the effective timestamp and distance from the nearest boundary instead of hiding uncertainty near a changeover.
- Name the time model.
- Flag boundary sensitivity.
Derive the complete hourly pillar
Determine the effective Bazi day under the same day-boundary policy, then use its day stem and the hour branch to derive the hour stem.
Validate the Five Rats sequence and keep the dated hourly pillar separate from the birth Hour Pillar.
- Day stem comes before hour stem.
- Preserve both provenance layers.
Use hours only after broader layers converge
Require a supported natal pathway, active Luck Pillar, annual evidence, and an explicit reason to narrow the window further.
Compare both sides of uncertain boundaries and publish a range when the source time or time model cannot justify minute-level precision.
- Do not force hour-level precision.
- Keep alternative intervals visible.
An hour pillar is not an event trigger
It cannot guarantee a call, trade, treatment outcome, encounter, birth result, accident, conflict, or another person’s behavior.
Use real schedules, monitoring, consent, safety rules, and professional guidance for time-sensitive action.
- Avoid auspicious-minute promises.
- Do not create unsafe urgency.
Sources and editorial basis
- 《淵海子平》 (Yuanhai Ziping)《淵海子平》五鼠遁以有效日干配合時支推導時干，不能脫離日界只憑鐘點指定流時柱A foundational Ziping reference for branch months, hidden stems, roots, and stem-branch relationships.
- 《三命通會》 (Sanming Tonghui)《三命通會》時辰法按十二時支與完整時柱判讀，時間邊界及所採時計模型須先說明A historical compilation covering stems and branches, Ten Gods, Nayin, Shen Sha, and multiple classical pattern systems.
- OpenFate Editorial Methodology流時如何作用頁保存 IANA 時區、經度與民用時或真太陽時政策，標記邊界敏感度並排除兩小時內事件及吉時保證OpenFate separates deterministic chart calculation, traditional interpretation, and modern editorial explanation.