free sun sign calculator
Your Sun sign is the core of who you are—your ego, your drive, and the face you show the world. While your Moon sign rules your emotions, the Sun rules your purpose. Use our free sun sign calculator below to pinpoint exactly where the Sun was the moment you were born and what it means for your destiny.
Calculate Your Sun Sign
Find your Zodiac Sun Sign instantly. Enter your date of birth to reveal your fundamental personality traits and core identity.
Your Zodiac Sun Sign is:
Why Use a Sun Sign Calculator?
While most people know their “zodiac sign” from magazines, relying on generic date ranges can sometimes be inaccurate, especially if you were born near the cutoff dates. Our Sun Sign Calculator takes the guesswork out of astrology. By determining the exact position of the Sun at your birth, this tool confirms your true core identity, ensuring you are reading the right horoscope for your life’s path.
Frequently Asked Questions
1. What is a Sun Sign?
Your Sun Sign (or Zodiac Sign) is determined by the position of the Sun at the exact day you were born. In astrology, it represents your “core” self—your ego, your main personality traits, and the fuel that drives your life purpose. It is the “King” of your chart and the sign you likely read horoscopes for.
2. Do I need my exact birth time for this calculator?
No. Unlike the Rising Sign (which changes every 2 hours) or the Moon Sign (which changes every 2.5 days), the Sun stays in a sign for about 30 days. For most people, your date of birth is all that is needed to accurately calculate your Sun Sign.
3. What if I was born on a "Cusp"?
If you were born on a day when the Sun changes from one sign to another (for example, roughly August 22nd or 23rd), you are born on the “Cusp.” In this specific case, the exact time of birth matters because the Sun moves into the new sign at a specific minute. If our calculator gives you a result you are unsure of, we recommend checking your full Birth Chart which uses your birth time for precision.
4. Why is my Sun Sign different from my Moon or Rising Sign?
Think of your astrological chart as a movie. Your Sun Sign is the main character (Who you are). Your Moon Sign is the script (How you feel inside). Your Rising Sign is the costume (How you appear to others). You need all three to understand the full story of your personality.
5. Can my Sun Sign change?
No. Your birth chart is a snapshot of the sky at the moment you were born. That blueprint is fixed for life. However, as you grow and mature, you may learn to express the higher, more positive traits of your Sun Sign rather than the lower, immature traits.
What Your Sun Sign Reveals
Once you know your Sun sign, you have the key to your astrological identity. But remember, you are more than just one sign. To get the full picture of your cosmic blueprint, explore your Rising Sign (how others see you) and your Moon Sign (your inner self).
Ready to dive deeper? Read our comprehensive guide on Zodiac Signs Explained to learn about the traits, elements, and ruling planets that shape your life.