Mars sign calculator

Mars spends about six or seven weeks in a sign. A birth date is enough for the sign; time places it in a house.

Without a time, the Ascendant and house cusps cannot be placed.

Calculate to place the sign — a star map and a short reading follow.

Mars in the natal chart

Mars spends about six or seven weeks in a sign, longer when retrograde. The sign is stable across a calendar day; the house needs a birth time. Positions are tropical and geocentric, same engine as the full natal chart.

Mars in every sign

Your birth date, time and place decide which of these is yours — the calculator above works it out from the real position of the sky. Here is what each one means.

Mars in Aries

Anger and appetite are immediate. Mars in Aries wants the direct hit — start now, compete now — and hates a fight that has been scheduled.

Mars in Taurus

Force is slow and heavy. Mars in Taurus does not start easily and does not stop once started. Stubbornness is the martial art.

Mars in Gemini

Conflict happens in language. Mars in Gemini spars, texts, splits the effort across too many fronts. The blade is wit; the risk is scattering.

Mars in Cancer

You fight to protect the nest. Mars in Cancer can look indirect — sulk, defence, a sudden snap — because the heat is attached to belonging.

Mars in Leo

Pride is the trigger. Mars in Leo performs courage and needs the contest to be seen. Humiliation starts wars that facts would not.

Mars in Virgo

Effort goes into the flaw. Mars in Virgo works, corrects, and can turn the blade on the self when the world will not sit still to be improved.

Mars in Libra

Assertion is delayed until it can be justified as fairness. Mars in Libra fights late, then with surprising steel, often on someone else’s behalf.

Mars in Scorpio

Will is subterranean. Mars in Scorpio does not waste a gesture; it waits, then commits. Obsession and strategy share an office.

Mars in Sagittarius

Heat wants a horizon. Mars in Sagittarius charges toward meaning, travel, the big argument, and gets reckless when boxed in.

Mars in Capricorn

Ambition is the battlefield. Mars in Capricorn spends force on the long climb — status, structure, endurance — and treats impulse as a leak.

Mars in Aquarius

You fight for the principle, not the person. Mars in Aquarius detaches, then strikes as reform. Cool anger is still anger.

Mars in Pisces

Drive diffuses. Mars in Pisces acts through mood, rescue, or escape; the direct confrontation feels crude, which is how the fight goes sideways.