Gemini on the 1st house cusp
air · mutable · ruled by Mercury
When the cusp of the 1st house — traditionally tied to self — falls in Gemini, classical sources describe the affairs of that house as expressing the air mutable qualities of Gemini, and as ruled by Mercury.
1st house (Self)
Traditionally associated with the body, vitality, and the immediate self. The cusp of the 1st house is the Ascendant.
Hellenistic name: Helm of Hermes
Gemini archetype
Gemini is the diurnal domicile of Mercury. Mutable air, traditionally tied to exchange and pairing.
Other signs on this house cusp
Reference, not advice
This is cultural and astronomical reference, not personal prediction or advice.
House-cusp sign assignments depend on the chosen house system and on the chart's birth time and latitude. Whole-Sign astrology collapses cusps to sign boundaries; Placidus and other quadrant systems compute intermediate cusps. See methodology.
Last reviewed .