Aries is the first astrological sign in the zodiac, spanning the first 30 degrees of celestial longitude. Under the tropical zodiac, the Sun transits this sign from approximately March 20 to April 21 each year.
Aries is the first astrological sign in the zodiac, spanning the first 30 degrees of celestial longitude. Under the tropical zodiac, the Sun transits this sign from approximately March 20 to April 21 each year. 
