What is my Sun sign?
Your Sun sign, calculated from the real position of the Sun on your birth date.
Calculate your Sun sign
What your Sun sign means
Your Sun sign is the one nearly everybody already knows — it is what a magazine horoscope means by "your sign". It describes core identity: the thing you are becoming, and the register you operate in when you are most yourself. It is one placement out of roughly ten, which is why two people with the same Sun sign can be so unalike.
Sun-sign dates shift slightly from year to year because the calendar year and the solar year are not the same length. If you were born within a day or two of a cusp, a fixed table can put you in the wrong sign. This calculator uses the Sun’s actual computed position, so a cusp birthday resolves correctly.
Sun through the twelve signs
Each placement below describes core identity and what you are growing into — not a fixed outcome, and not the whole chart.
Sun in Aries
An Aries Sun is becoming someone who starts things and holds their ground. The work of the sign is courage without recklessness — learning that going first is a strength and going alone is a habit.
Sun in Taurus
A Taurus Sun is building something solid and worth keeping. The work of the sign is steadiness without stagnation — knowing the difference between holding on and being stuck.
Sun in Gemini
A Gemini Sun is becoming a connector of ideas and people. The work of the sign is curiosity with depth — following the interesting thread far enough to actually arrive somewhere.
Sun in Cancer
A Cancer Sun is learning to care without disappearing into it. The work of the sign is protection that does not become control, and a home that includes you.
Sun in Leo
A Leo Sun is learning to create from the heart and let itself be seen. The work of the sign is warmth that does not depend on applause to keep burning.
Sun in Virgo
A Virgo Sun is becoming someone who does useful work well. The work of the sign is discernment without perfectionism — improving things without treating yourself as the next flaw.
Sun in Libra
A Libra Sun is learning to find the fair thing and then hold it. The work of the sign is balance that includes your own preference, not only everyone else’s.
Sun in Scorpio
A Scorpio Sun is learning to go deep and survive its own transformations. The work of the sign is intensity with trust — depth that shares rather than only withstands.
Sun in Sagittarius
A Sagittarius Sun is seeking meaning and telling the truth about what it finds. The work of the sign is conviction that keeps asking questions instead of settling into certainty.
Sun in Capricorn
A Capricorn Sun is building authority it has actually earned. The work of the sign is ambition with a reason — knowing what the climb is for before you are at the top.
Sun in Aquarius
An Aquarius Sun is learning to think for itself in service of something larger. The work of the sign is independence that still shows up for people.
Sun in Pisces
A Pisces Sun is staying open to what cannot be measured. The work of the sign is compassion with edges — remaining porous without dissolving.
One placement is one line of the chart
Your Sun sign sits alongside roughly nine others, and the angles between them are where a chart actually gets specific. Six questions, no card.
See my full chart →Sun sign: FAQ
Can I be born on the cusp of two signs?
Not really — at any given moment the Sun is in exactly one sign. What people mean by "on the cusp" is being born close to the changeover, where fixed date tables often disagree. Computing the Sun’s real position settles it.
Do I need my birth time for my Sun sign?
Usually no. The Sun takes about a month to cross a sign, so the date is enough — unless you were born on the day it changed signs, in which case the time decides it.
Why do different sites give me a different Sun sign?
Almost always a cusp birthday plus a hardcoded date range. Ranges that say "March 21 – April 19" every year are an approximation; the actual changeover moves.
Is my Sun sign the same as my star sign?
Yes. "Star sign", "zodiac sign" and "Sun sign" all mean the same placement.
The other free calculators
Or get all three at once with the birth chart calculator, time your cycles with the Saturn return and Mars return calculators, or read today's horoscope.