Saturn sign calculator: what is my Saturn sign?

Saturn is the planet of structure, limits, time and responsibility, and the outermost of the seven planets that traditional astrology knew. It marks where you work hard, where you fear failing and where, with patience, you end up building something that lasts. Your Saturn sign is the sign it stood in when you were born, and it shows the style of that effort.

Saturn circles the zodiac in about 29.5 years and stays in a sign for two to three years, so a whole generation shares your Saturn sign. The house is what makes it personal.

Saturn returns to the place it held at your birth around age 29 to 30, again around 58 to 60 and a third time near 88. Astrologers read the first of these Saturn returns as the threshold of adult life, when the structures you built so far are tested and the ones you want to keep get strengthened. The Saturn return calculator finds the exact dates for your chart, retrograde passes included.

Between the returns Saturn makes a square to its birth place at about 7 and 22, and an opposition around 14 to 15 and 44, ages that astrologers link to school years, adolescence and midlife.

Saturn is retrograde for about four and a half months a year, a little over a third of the time, so many people are born with it. Seen from Earth the planet seems to move backward while our planet overtakes it, which the retrograde entry explains. The calculator marks it with ℞ whenever Saturn was moving backward on your birth date.

Astrologers read a natal retrograde Saturn as discipline that works on its own timetable: a person who sets their own standards and takes a little longer to trust outside authority. It describes a style, and the sign still shows the area of life.

In the traditional scheme Saturn rules Capricorn and Aquarius and is exalted in Libra, where discipline serves fairness. It is in detriment in Cancer and Leo, the signs opposite its own, where feeling and self-display pull against restraint, and in fall in Aries, where impatience resists its slow pace.

Saturn has an old reputation as the heavy planet. The modern reading keeps what is useful in it: Saturn asks for patience and effort, and it repays them in competence and respect. The short readings above give the flavor of each sign.

With a birth time and place the calculator gives the house Saturn was in, Placidus by default, or whole sign, Koch and equal houses on the switch. Saturn in the first house is read as self-discipline and reserve, in the fourth as early duty at home, in the seventh as serious partnerships and in the tenth as career and ambition. Without a time the house stays open.

Aspects add detail. Saturn touching the Sun or Moon brings a serious tone to that part of you, and the birth chart calculator shows every aspect Saturn makes.

Saturn's position comes from the VSOP87 planetary theory, corrected for the time light takes to reach Earth and for the nutation of Earth's axis, which gives the apparent longitude astrologers use. In our checks it agrees with NASA JPL Horizons to within about one arcsecond on test dates between 1923 and 2077. The tool covers 1900 to 2099.

Saturn moves at most about an eighth of a degree a day, so it almost never changes sign on a birthday. If it did, the calculator would show both signs and the time of the changeover.

Your birth date and birthplace are enough for the sign. The birth time adds the house. The tool is free and needs no account.

From here, the birth chart calculator draws Saturn among your other planets, the Jupiter sign calculator looks up the planet that balances it, and the Saturn return calculator dates the cycle.