Mars Sign Calculator
Type your birth date. Mars stays in a sign for weeks, so the time rarely matters.
What your Mars sign is
Mars is the planet of action in astrology. Your Mars sign is read as the way you go after what you want, how you compete, how quickly your temper rises and how you show physical desire. Venus describes what attracts you; Mars describes how you pursue it.
Mars usually takes about six weeks to cross a sign, but every two years or so it turns retrograde and can stay in one sign for six or seven months. That is why people born months apart may share a Mars sign, and why the result marks a retrograde Mars, which tradition reads as energy turned inward.
The date is normally enough. When Mars changed sign on your birth date and you do not know the time, the result names both signs and the hour of the change. Place only sets the time zone.
What each Mars sign means
| Mars in | Gets going by | Anger looks like |
|---|---|---|
| Aries | Charging straight in | A fast flare that burns out |
| Taurus | Steady, stubborn effort | Slow to start, hard to stop |
| Gemini | Talking and multitasking | Sharp words |
| Cancer | Protecting its own | Sulking or sudden snaps |
| Leo | Big, visible effort | Pride wounded out loud |
| Virgo | Careful planning | Criticism and nitpicking |
| Libra | Persuasion and teamwork | Avoids it, then argues the case |
| Scorpio | Quiet, total focus | Cold, long memory |
| Sagittarius | Chasing a big goal | Blunt outbursts |
| Capricorn | Discipline and patience | Controlled and cutting |
| Aquarius | Working for a cause | Detached rebellion |
| Pisces | Following inspiration | Hurt feelings, passive resistance |
Worked examples
- Born 1990-03-05 in New York:
Capricornat 25 degrees. - Born 2003-08-27 at noon in London, the night Mars came closer than in 60,000 years:
Pisces - Born 1971-03-21 in Berlin, time unknown:
Capricorn
How this is calculated
Apparent geocentric ecliptic longitude of Mars of date from astronomy-engine (light-time and aberration applied) at the UTC instant of birth; retrograde from the 24-hour motion.