See a worked BaZi chart before entering your details

A synthetic teaching example, calculated by the same engine as this tool. It is not a real user's chart.

Input: 1 January 2026, 08:00 (UTC+8), male, Shanghai 121.5°E; comparison year 2026. Longitude-adjusted time: 08:06.

Year pillarMonth pillarDay pillarHour pillar
乙巳戊子乙亥庚辰

Luck start: 8 years, 4 months and 15 days, on 16 May 2034. The first Luck Pillar is 丁亥, covering 2034–2043 and displaying ages 9–18. This age column is not an elapsed duration.

Time convention: enter the time in UTC+8. Longitude correction uses (longitude − 120°) × 4 minutes. The engine does not include the equation of time or automatically convert historical time zones or daylight saving time. Choosing an overseas city only sets its longitude.

Read the complete calculation example ↗Understand the starting-age column ↗
01知其界限说明与注意
02录入时空生日与地点
03起局推演四柱成盘
04观盘复盘结果解读

开始之前

BaZi calculator: check your Four Pillars and Luck Pillars

本工具依据公历生日、出生时间、地点经度与观察流年生成四柱、经度校正时间、五行、大运和分项解读。适合传统文化学习与自我复盘。
四柱的来路八字又称四柱,以年、月、日、时四组干支记录出生时空。唐宋以后,子平法逐渐把日主、月令、十神和大运合为主要判断框架。
古籍里的提醒《滴天髓》有“欲识三元万法宗,先观帝载与神功”之句,强调先看天地时令之气,再谈具体格局与人事取象。
使用的边界《子平真诠》一类命书多重月令与格局清浊。现代排盘宜先核对生日、时辰、经度和节气边界,再把解读当作复盘线索。
信息越准,排盘越稳

请尽量使用准确出生时间与出生地。若只知道大致时辰,结果应作为区间参考。

经度校正时间

Time convention: enter the time in UTC+8. Longitude correction uses (longitude − 120°) × 4 minutes. The engine does not include the equation of time or automatically convert historical time zones or daylight saving time. Choosing an overseas city only sets its longitude.

解读不构成决策建议

命盘内容不用于医疗、投资、婚姻、法律或重大人生决策。