One sky. A world of curiosity.
Your cosmic playground travels with you. Start with a free birth chart, meet your Moon, or follow the next sky event—wherever you call home.
Pick your next little discovery.
Free birth chart generator
Generate a natal chart from your date, local birth time and birthplace. Explore planetary placements, houses and aspects.
Explore free ↗Moon sign calculator
Explore your birth Moon sign, with uncertainty explained when your birth time is missing.
Explore free ↗Rising sign calculator
Find your ascendant using your recorded birth time and the right birthplace.
Explore free ↗Birth chart compatibility
Compare two charts through labeled planetary aspects. Bring curiosity, not a relationship score.
Explore free ↗Moon phase calculator
Explore lunar phase and illumination for your chosen date and location.
Explore free ↗Zodiac signs & dates
Meet the twelve signs, then check a birthday near a sign boundary with the Sun calculator.
Explore free ↗A little context makes the sky clearer.
Use the local time on your birth record and your actual birthplace. Select the correct country, city and region; historical time zones and daylight saving matter. Our guides help you navigate those details in the United States, Canada, the United Kingdom, Australia and beyond.
Western charts generally use the tropical zodiac. If you choose a sidereal option, compare the stated method before comparing results. Curious about Indian traditions? Visit the India & Vedic collection.
Keep your curiosity company.
Astrological interpretations are symbolic traditions, not scientifically established predictions. Astronomical calculations and their stated limitations should be read separately from interpretation.