Free Birth Chart Calculator
Enter your birth details to generate an accurate natal chart with planetary positions, house placements, aspects, and personalized interpretations.
What Is a Birth Chart?
A birth chart (also called a natal chart) is a snapshot of the sky at the exact moment and location of your birth. It maps the positions of the Sun, Moon, planets, and key astrological points across the 12 zodiac signs and 12 houses. Your birth chart serves as a cosmic blueprint, revealing personality traits, strengths, challenges, and life patterns that shape who you are.
How Our Birth Chart Calculator Works
Our birth chart calculator uses the Swiss Ephemeris, the same high-precision astronomical data trusted by professional astrologers worldwide. Simply enter your birth date, time, and location, and the calculator computes precise planetary positions, house cusps, and aspects in seconds. The result is a complete natal chart with detailed interpretations you can explore.
Why Birth Time Matters
An exact birth time allows the calculator to determine your Ascendant (rising sign) and house placements with precision. Even a 4-minute difference can shift house cusps by about one degree. If you don't know your exact birth time, you can still generate a chart, planetary positions will be accurate, but house readings will be approximate.