We built Get Chinese Astrology: a free BaZi birth chart, zodiac compatibility and feng shui tools

Most Chinese astrology pages stop at your birth-year animal. That is one of four parts. A BaZi chart, the "four pillars of destiny", reads the year, month, day and hour of birth, and each pillar is a pair of characters with its own element. Working it out by hand means a solar-term table, a sixty-day cycle and a time-zone correction, so most people never see their full chart.

So we built Get Chinese Astrology, a free site where the chart is the first thing on the page.

What it does

Enter a birth date, time and time zone, and the home page draws the four pillars, names the Day Master (the day's heavenly stem, the reference point for everything else), and lists the Ten Gods, the hidden stems and the count of each element. The result updates on the same page, so you can try a second birthday without starting over.

Around the chart sit the tools people ask for next:

• A compatibility calculator: pick two animals or two birth years and see whether they form a Six Harmony, a trine, a clash or something in between, with a 12 by 12 chart of every pairing.
• A Kua number calculator, a five-elements count, an I Ching reading and a Zi Wei Dou Shu chart.
• Feng shui tools, including a bedroom checker that takes the door, windows and room shape and finds the commanding position for the bed.

What's inside

• 12 tools, from the BaZi chart to the 2027 flying stars
• 12 animal pages and 11 birth-year pages, including the 2027 Year of the Fire Goat
• Pages for the five elements, the I Ching hexagrams, Tai Sui and Chinese New Year
• Feng shui guides for room layout, the Bagua map and plants

Who it's for

• Anyone curious about more than their birth-year animal.
• People with a January or February birthday, whose animal may be the one before the year on their certificate.
• Feng shui beginners rearranging a bedroom or a desk.

How it's built

It's a Next.js site on Vercel. The calendar maths is plain TypeScript: solar terms and Chinese New Year for 1901–2100, the sixty-cycle for days and hours, and the true local time of a birthplace. Every form answers in place on the page instead of reloading it, which matters on a phone when you're comparing two charts.

What's next

More year pages, deeper readings for each Day Master, and the 2027 feng shui chart before Chinese New Year.

Try it with your own birth date and tell us in the comments which part of your chart surprised you.

This post was written with AI assistance.