Two birthdays. One verdict.

A free Western read of both charts. No birth time needed. No signup. The full report runs the same two dates through the East Asian four pillars and shows where the two traditions disagree.

How this is actually calculated

Most "compatibility calculators" compare two Sun signs from a fixed grid — twelve by twelve, 144 canned answers, the same result for millions of people. This one builds both birth charts and measures the real angles between them: Moon to Moon, Venus to Mars, Saturn to Sun. That is called synastry, and it is why two Leo–Scorpio couples can score differently.

Moon to Moon is weighted highest. Not because it is fashionable, but because it decides how you two fight and how fast you recover — which outlasts attraction every time.

Why no birth time or city?

Because you do not know your date's birth time, and pretending otherwise would be worse than admitting it. Here is the honest version of what that costs you.

A birth time and city are needed for exactly two things: your rising sign and your houses. Both depend on which degree was climbing over the eastern horizon at that minute, seen from that spot on Earth. Move the birth an hour, or a thousand miles, and they change.

Everything this page compares — Sun, Moon, Venus, Mars, Mercury, Saturn — is a position in the sky, not a position on the ground. Two people born the same minute in Seoul and in Chicago have the same Venus. So the pair reading works from birthdays alone.

The one soft spot is the Moon, which moves about half a sign a day, and Moon-to-Moon is weighted heaviest of anything on this page. Charts are read at noon, and when the Moon crosses into a new sign sometime that day — true for roughly two out of three pairs we checked — MOON tells you outright rather than quietly picking one. It is not a small correction: among pairs where it happens, the score with your real birth time lands ten or more points from the noon score about 74% of the time. There is no birth-time field on this free page — the full report does ask, and reads the Moon exactly instead of at noon.

Get your own full chart read → · All 12 signs · See a full sample reading