Do I need an exact birth time for BaZi?
An exact birth time is strongly recommended because it determines the Hour pillar. Without it, a BaZi chart may miss important information.
BaZi Chinese Astrology
BaZi Calculator For Birth-Time Four Pillars Charts
BaZi Stars helps you calculate a Four Pillars chart using birth date, exact time, birthplace, timezone, and automatic true solar time correction.
Four Pillars From Birth Data
Generate the Year, Month, Day, and Hour pillars used in BaZi analysis, with the chart data organized for deeper reading.
Built For Real Chart Work
The calculator is designed for saved charts, repeated study, client workflows, compatibility checks, and AI-assisted interpretation.
From Calculation To Meaning
After calculating, members can ask for chart summaries, common questions, timing themes, and compatibility insights.
Frequently Asked Questions
Does the calculator support birthplace and timezone?
Yes. BaZi Stars uses birthplace and timezone inputs, with optional latitude and longitude that enable automatic true solar time correction.