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Sun
Identity, direction, and the qualities you spend a life practicing. It stays in one sign for about a month.
ModernAstrology
Free Sun, Moon, and Rising Sign Calculator
Find the three signs that carry a birth chart. The Sun is the life you grow, the Moon is the feeling you protect, and the Rising sign is the way you enter a room.
Birth Chart Calculator
Planets, signs, whole-sign houses, and the aspects between them.
Synastry Chart Calculator
Compare two birth charts and read the aspects that tie them together.
Love Calculator
A name match, plus real Sun-sign chemistry when you add birth dates.
Dating Calendar
A month of Moon signs measured against your Sun.
Daily Horoscopes
Twelve short readings that change with the date.
Chart Guide
Ask what a placement means. If you have calculated a chart, the guide can use it.
What the Big Three answer
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Moon
Mood, memory, and what actually comforts you. It changes sign about every two and a half days.
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Rising
The sign on the eastern horizon at birth. It needs a clock time and a city, and it changes about every two hours.
How a chart gets made
Local time
The birth clock is read in the city’s timezone, including the daylight-saving rules for that date.
The sky
Sun, Moon, and planets are placed on the tropical zodiac from that Universal Time.
The horizon
The Rising sign and Midheaven come from your latitude, longitude, and the local sidereal time.