March 21 Birthday

Zodiac sign, birthstone, birth flower and more for everyone born on March 21.

March 21 zodiac sign: Aries

Aries opens the zodiac, so it is linked with beginnings. People born under the Ram are said to be natural starters who like a challenge, move fast and say what they think.

More about March birthdays

How common is a March 21 birthday?

March 21 is the 149th most common birthday in the US out of 366. An average of 11,233 babies were born on it each year from 1994 to 2014, 1% more than on an average day.

Based on US birth records, 1994–2014. See every date ranked.

What day of the week was March 21?

Here’s the day of the week March 21 fell on each year, and the Chinese zodiac animal for someone born that day.

More about March 21

Want your exact age or a countdown? Try the age calculator on our sister site Day Count Box.

March 21 birthday questions

What zodiac sign is March 21?

People born on March 21 are Aries (♈), the Ram. Aries season runs from March 21 – April 19.

What is the birthstone for March 21?

The birthstone for March 21 is the March birthstone: aquamarine and bloodstone.

What is the birth flower for March 21?

March’s birth flowers are the daffodil and jonquil.

Is March 21 on a cusp?

Yes. March 21 falls in the Cusp of Rebirth, between Pisces and Aries. Because the Sun changes sign at a slightly different time each year, people born on March 21 in some years are Pisces. Check a birth chart with your exact birth year, time and place to be sure.

How rare is a March 21 birthday?

March 21 is the 149th most common birthday in the US out of 366. An average of 11,233 babies were born on it each year from 1994 to 2014, 1% more than on an average day.

What day of the year is March 21?

March 21 is day 80 of the year, or day 81 in a leap year.

Other March birthdays

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