Born near a cutoff?
Check your decan
The dates move by about a day depending on the year you were born. Enter your birthday and we’ll work out where the Sun was.
What gives you away
Three signs you’re the Sagittarius decan
01You book it, then figure it out
You've bought a flight late on a Tuesday night because the price dropped. A friend mentions a concert a few hours away and you're already asking who can drive. Half your best stories start with “it wasn't the plan.”
The astrologyJupiter is the planet astrologers link with travel and adventure. Add Mars, and you act on the urge to go before you talk yourself out of it.
02You always have an opinion
You'll argue about whether a hot dog is a sandwich until 2 a.m. and enjoy every minute. You watch one documentary and come out with a whole theory. You change your mind fast, too, if someone gives you a better argument.
The astrologySagittarius is the sign astrologers tie to beliefs and big questions. Mars gives you the nerve to say yours out loud.
03You bounce back with a joke
If you fail a test, lose the match or get turned down, you're telling it as a funny story by dinner. You're the friend who turns a canceled plan into a better one.
The astrologyAstrologers call Jupiter the planet of hope and good luck. It gives the Mars push a cheerful streak, so setbacks don't stick to you for long.
Why you’re like this
How Aries’ decans work
Each zodiac sign covers 30 degrees of the sky. Astrologers split every sign into three 10-degree slices called decans, and the Sun spends about ten days in each one.
Aries is a fire sign. In the decan system most popular in modern astrology, each third of a sign mixes in a sign of the same element, in order. The last third mixes in Sagittarius, which completes the fire trio. Sagittarius is ruled by Jupiter, the planet astrologers tie to growth, luck and big ideas.
Love
The Sagittarius decan in love
You fall for people who make you laugh and teach you something. A first date can turn into a five-hour walk because neither of you wanted to stop talking.
You need room. Someone who checks where you are every hour will lose you fast, while someone who says “go, tell me everything after” gets to keep you.
If you love one
Try something new together, even something small like a food neither of you has had. The Sagittarius decan stays close to people who keep life interesting.
Birth Chart Reading
Your decan is one slice of you. Read the rest.
Your Sun is one planet. The Birth Chart Reading covers your whole chart in 35+ pages, written for your exact birth time and place.
- Your Sun’s exact degree and decan, with your Moon and rising
- How you love, from your Venus and Mars
- Work, friends, family, and the year ahead for you
- Prepared for your chart alone, reviewed by our team, emailed as a PDF within 12 hours
$44.99, one time
Get my birth chart reading →Work
At work
You need a job with movement in it, whether that means new places, new people or new problems. You get restless when every day looks the same. Astrologers often match this decan with travel, teaching, publishing, law, sports and work with a big mission behind it.
The hard part
When it gets heavy
Big promises can run ahead of the follow-through. You say you'll be there at seven and show up at eight with a great excuse. You can also preach a little, and turn a friend's bad day into a lecture about what they should do next.
Before you give advice, ask whether they want it or would rather you listened. And when you make a plan, put it in your calendar right away. Then your friends can plan around it.
Famous faces
Born in this decan
- Emma WatsonApr 15, 1990
- Saoirse RonanApr 12, 1994
- Sadie SinkApr 16, 2002
- Selena QuintanillaApr 16, 1971
- Charlie ChaplinApr 16, 1889
- Seth RogenApr 15, 1982
We checked each birthday against the Swiss Ephemeris, the planet-position tables astrologers use, so everyone listed sits inside this decan whatever time they were born. Sharing a decan is a fun overlap. Your Moon, rising and the rest of your chart are still all your own.
All three Aries decans
Which Aries are you?
More Aries: Aries this month · Aries compatibility · Aries Sun with every Moon · Aries rising
Your questions
Frequently asked questions
What dates are Aries decan 3?
In most years, April 10 to 19. The Sun reaches 20° Aries on April 8, 9, 10 or 11 depending on the year and time zone, and leaves Aries for Taurus on April 19, 20 or 21 (we checked every year from 1940 to 2026 with the Swiss Ephemeris). Born on one of those days? Use the decan checker on this page, or your free birth chart.
I was born on April 19, 20 or 21. Am I an Aries or a Taurus?
It depends on the year, and sometimes on the hour. The Sun moves into Taurus on April 19, 20 or 21, depending on the year and where you were born. Put your birthday into the decan checker above. If it says your birth time decides, your free birth chart gives you the exact answer.
Which Aries decan is the most adventurous?
Usually the third. Sagittarius, the sign mixed in here, is the zodiac's traveler, and its ruler Jupiter is the planet of growth and big ideas. Add Mars and you get the Aries who's always planning the next trip.
Do decans work for my rising sign or Moon too?
Yes. Any planet or point in Aries has a decan, set by its degree. An Aries rising at 15°, for example, is in the Leo decan, even if your Sun is in another sign. Your rising degree needs your exact birth time, and your free birth chart shows it.
Which decan system does ZODIA use?
The triplicity system, the most popular one in modern astrology. Each decan mixes in a sign of the same element, so Aries goes Aries, Leo, Sagittarius. Older Hellenistic astrology used a different set called the Chaldean faces, which gives Aries’ thirds to Mars, the Sun and Venus. Both are real traditions.
Is my decan my whole personality?
No. Your decan sharpens your Sun sign, and your Sun is one part of your chart. Your Moon shapes how you feel, your rising shapes how you come across, and your Venus and Mars shape how you love and go after things. Two people born on the same day can still be very different.