Zodiac sign compatibility
A reference library for Sun signs, planetary placements and synastry. Start with the information you have, understand the method, and keep uncertainty visible.
What can two Sun signs tell you?
A Sun-sign comparison reveals the elemental and modal relationship between two signs. It is the opening layer of synastry; Moon, Venus, Mars and exact aspects bring the fuller pattern into view.
Read the method first
- How do these signs approach closeness?
- What changes when Moon or Venus placements differ?
- Which expectations need a direct conversation?
Separate the inputs from the interpretation. Identify which chart factors are known, which depend on a birth time, and which conclusions go beyond what the information supports.
Browse the 78 unique Sun-sign pairings
Each pairing appears once. A linked pairing has a reviewed overview; other combinations are listed for reference while coverage develops.
Read the distinction carefully
Two Sun signs establish only the sign-level comparison. They do not supply planetary degrees, houses or the angular distances between the rest of the charts. A pair overview should therefore identify its scope before discussing elements or modalities. Use an aspect reading only when the relevant positions are actually known.
Read further
How to Read Jupiter in Leo Transits to Your Synastry in 2026
Separate sign themes, degree-specific transits and existing synastry to read Jupiter in Leo through 2026 and 2027 with care.
Mercury Retrograde in Scorpio 2026 and Your Mercury Synastry
Read the Oct. 24–Nov. 13, 2026 Scorpio retrograde with both natal Mercury placements: what signs, degrees, and aspects can show, and what they leave open.