why is aries first in astrology
This answer has. 1 vote. Aries (March 21-April 20). It is considered the first sign of the zodiac as this is when spring starts, ergo the symbolism of birth and beginnings. Also, in ancient Roman times, March was the first month of the year. It was changed to January by Julius Caesar in 46BC. Coincidentally, Aries is ruled by the planet Mars in astrology.