ganzhi

📅 公历 农历 干支历转换包 提供精确的日历转换

阴历年，生辰八字，24节气日期，节令月等计算

AI-powered Saju (四柱八字) fortune Chrome extension — daily, weekly, monthly, yearly readings with target date specification, streaming LLM output, Anthropic Claude & OpenAI-compatible providers.

[阴阳易演.YinYangYiYan]

最严谨的八字命理解引擎——开源·可追溯·可验证：确定性排盘（节气精确切分/真太阳时/夏令时校正），1000条带古籍出处的断语库，零外部依赖，单文件离线UI，支持流年/流月/流日/合婚/六亲分析

一个基于数据的农历微服务，a lunar calendar based on datas，符合gb33661 ，超长日历公元前3000-公元后3000年，使用vsop87d行星算法数据来计算节气，返回农历，干支，节气信息。a lunar service on nodejs. Compliance gb33661，from b.c3000-a.d 3000 clender,using vsop87d planet data.

Gan Zhi and Jeiqi

🔍 Explore Zhouyi, a JavaScript tool for traditional Chinese divination, offering easy access to fortune-telling functions for enthusiasts and professionals.

A modern C#/.NET library for I Ching divination, with complete six-line reading support and core metaphysics primitives.

Accurate BaZi (Four Pillars) chart engine — four pillars, true solar time, Five Elements, Ten Gods, NaYin, luck pillars.

Chinese metaphysics benchmark and reusable Bazi/Ziwei chart utilities for LLM evaluation, Ganzhi helpers, and developer tooling.

A unified spacetime-field protocol based on fractal geometry and gauge symmetry.

Chinese lunisolar calendar for TypeScript. Second-accurate solar terms from JPL DE440. Absolute instants and wall-clock readings are distinct types that cannot be mixed. Zero runtime dependencies; no Node/DOM/Intl APIs.

A rigorous BaZi (Four Pillars) computation core in pure Swift — explicit rules, traceable boundaries, and golden-fixture validation.

华夏历法与古天文高精度数据集（Chinese Calendar & Uranography Open Datasets）：二十四节气交节时刻（1900—2052）、历代历法改革年表（52 部）、干支纪日对照表（55,883 天）；当前三件均为历法类，古天文部分另行发布。历法事实数据，CC BY 4.0。DOI 10.5281/zenodo.22788686 ｜ OpenAlex A5151908354 ｜ OpenAlex 作品 W7213411799 ｜ Open Chinese-calendar datasets: solar-term instants, calendar reforms, sexagenary days. CC BY 4.0.

A verifiable BaZi (Four Pillars) calculation engine: published conventions, stamped fixtures, and a differential checker that re-derives every case by a different algorithm path. Powers bazi-atlas.com.

八字排盘核心算法：历法与四柱、真太阳时、身强弱、格局、用神。BaZi (Chinese Four Pillars) core engine in TypeScript, with an MCP server.

股票与传统干支纪年法的关系探讨，不构成投资建议，仅供娱乐

A precision lunisolar calendar generator that produces structured datasets for Lunar New Year metadata across large year ranges.