In the Sailor Moon series, Mars was protected by Sailor Mars, even though in the present she resided on Earth with the other Sailor Senshi of the system. Her guardian crows, Phobos and Deimos, were named for Mars' moons, but came from the planet Coronis.
In Western astrology, Mars is traditionally associated with willpower, aggressiveness, strength, and conflicts. A person with Mars dominating in their natal chart is supposed to be headstrong, combative, and quick to pick fights, similar to Sailor Mars. The qualitative opposite of Mars is Venus. Mars is associated with Tuesday. Dante Alighieri associated Mars with the liberal art of arithmetic.
In Chinese astrology, Mars is ruled by the element fire. In Indian astrology, Mars represents energy, confidence, and ego.
- In the Japanese calendar, Tuesday is called "kayoubi" (火曜日), meaning "the day of fire."
- The month of March is named for Mars.