Zodiac compatibility is a reason people always come asking astrology for answers. Aries compatibility is something pretty easy to understand, with Aries dates being March 21 to April 20 (approximate dates). If you ask an astrologer to draw your Aries compatibility chart, the best match for Aries would be Sagittarius, Gemini, or Libra. Aries love compatibility is mainly determined by seeing which element a sign belongs to, often taking after the fire. Let us determine for you an Aries best match for any Aries in love.