five-elements

Chinese astronomical calendar, bazi (四柱八字), and divination for TypeScript. Solar terms (節氣) to sub-second precision, lunar calendar (農曆), flying stars (紫白九星), almanac flags (神煞), Six Ren (大六壬) — zero dependencies.

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

만세력·오행 계산을 오늘의 수호신, 운세, 루틴, 도감, 시장관찰, 케미로 바꾸는 Flutter 오프라인 우선 앱 | Flutter offline-first app turning manseryeok and five-elements readings into daily guardians, fortunes, routines, cards, market observation, and chemistry

天机簿 · 本地八字命书。Demo 可当场拨 00:00/23:00 换日，对照卡可保存分享。Tianji Bu — local-first BaZi book with live day-boundary flip + shareable dual card. 无需登录 · #sample/flip

BaZi API for Four Pillars of Destiny charts. Day Master, Ten Gods, hidden stems, Na Yin, and typed day, year and hour conventions echoed back.

MCP server for Korean Saju (사주팔자) child temperament analysis — Four Pillars, Five Element balance, learning style and parenting guidance. No API key, all local.

Korean romanization, Five Elements, CJK strokes — TypeScript/Node.js library. Zero dependencies.

以理气为纲的传统命理现代化推演工具：四柱八字、五行气势、十神、五运六气、子午流注、二十四节气的确定性计算模型。Next.js 14 + TypeScript，所有计算在浏览器本地完成。