Zodiac Compatibility Calculator
Two birthdays in, your Sun sign match out, scored by element and modality, the way astrologers actually compare signs.
The reading that matters compares your Moons, Venus, and Mars, and reads your timing. Free quiz, 60 seconds.
Start my free readingHow the score works
Sun-sign compatibility runs on two axes. Element: fire and air feed each other, earth and water nourish each other, while fire-water and air-earth pairs run on translation. Modality: two cardinal signs both want the wheel, two fixed signs both refuse to let go of it, two mutable signs keep redesigning the car. The score weighs both, and the sign positions are computed from the Sun's real position, so cusp birthdays land correctly.
Why this is the shallow end
Honestly: Sun signs are the public layer. Daily-life compatibility lives in the Moon signs, attraction lives in Venus and Mars, and the full method is birth chart compatibility. A low Sun score with strong inner-planet contacts beats the reverse every time.