What zodiac sign is March 21?
- Date
- March 21
- Sun sign
- Pisces to Aries
- Usual range
- March 21 to April 19
- Element
- Fire
- Ruling planet
- Mars
- Changeover
- Yes, on or near this date
- Constellation
- Pisces
March 21 is a changeover day. At noon UTC across the 41 years from 1992 to 2032, the Sun was in Aries in 41 years.
The Sun moved from Pisces into Aries on March 21 in 4 of those years. The latest time in this span is 21 March 2007 at 00:07 UTC. That minute shifts from year to year, and a birth city changes which clock time it falls on.
Aries usually runs March 21 to April 19. It is a fire sign, ruled by Mars. Pisces is the sign just before it. Bold, direct, quick to start things.
The constellation behind the Sun on March 21 is Pisces. That is the true place of the Sun in the stars, and it is a separate fact from the astrological sign.
Moon, Rising, Mercury, Venus, and Mars still need a birth time and place. This page only settles the Sun sign.
Check this birthday in the zodiac calculator
Questions
What zodiac sign is March 21?
March 21 is a changeover day. At noon UTC across the 41 years from 1992 to 2032, the Sun was in Aries in 41 years.
Is March 21 a cusp birthday?
Yes. March 21 sits on a sign change, so the birth year and time can move the Sun sign from one sign to the next.