True Sky

Calculate natal charts, transits, synastry, composite charts, and solar/lunar returns directly in ChatGPT. Features: - Natal Charts - Planetary positions, house cusps, and aspects - Transit Data - Track planetary aspects to your birth chart with exact timing - Synastry - Relationship comparison between two charts - Composite Charts - Midpoint relationship charts - Solar & Lunar Returns - Birthday and monthly return charts Supports 7 house systems (Placidus, Whole Sign, Koch, Equal, and more), 11 zodiac systems (Tropical, Lahiri/Vedic, True Sidereal, and more), and optional asteroids. Free: 100 calculations per day.