Calculate your sun sign
Your sun sign depends only on your birth date and describes your core, your direction and your life force. Enter your birth date and get your sun sign instantly, together with your complete birth chart.
Calculate your birth chart
Astrology is a symbolic interpretation, not a scientifically proven prediction. Astronomical positions are calculated with an analytical method.
What the sun sign means
The sun sign is the sign the Sun was in at your birth. It shows where you are heading in life and which qualities you consciously develop. It is the best-known, but not the only, building block of your chart. Calculate your birth chart free to see Sun, Moon, ascendant and all planets together.
Sun sign and ascendant: the difference
While the sun sign describes your inner core, the ascendant calculator shows how you appear outwardly. Together they give a much fuller picture than the sun sign alone. Your moon sign calculator adds your emotional world.
Frequently asked questions about the sun sign
What is the sun sign?
The sun sign is the sign the Sun was in at your birth. It depends only on your birth date and describes your core and direction.
Is the sun sign the same as the star sign?
Yes. In everyday language, star sign usually means the sun sign.
What is the difference from the ascendant?
The sun sign describes your inner core, while the ascendant shows how you appear outwardly. Together they give a fuller picture.
Do I need my birth time for the sun sign?
No. For the sun sign the birth date is enough, because the Sun changes sign only about once a month.
What is the difference from the moon sign?
The sun sign describes direction and life force, the moon sign feelings and the need for security.
Does my sun sign change?
No. Your birth sun sign stays the same for life, because it is tied to your birth date.
What if I was born on a sign boundary?
Then exact birth time and birthplace can decide, because the Sun changes sign on that day. Use the full calculation with time and place.
Is the sun sign alone meaningful?
It is the best-known building block, but not the only one. Moon, ascendant and all planets together make the complete birth chart.
Is the sun sign calculation free?
Yes. You can calculate your sun sign here free and without registration.
Are my birth details stored?
No. Calculation runs through a private API, and birth details are not stored or logged.