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Skykept

Which constellation was the Sun really in on your birthday?

Zodiac signs were fixed about 2,000 years ago. Because Earth’s axis slowly wobbles (precession), the Sun now sits in a different constellation on most birthdays. Enter yours:

Questions

What constellation was I actually born under?

The one the Sun was in on your birth date — enter it above. Many people get a different answer than their zodiac sign.

What is Ophiuchus?

A real constellation the Sun passes through from about Nov 29 to Dec 17. It isn’t one of the 12 zodiac signs.

Why is it different from my sign?

Precession has shifted the sky by roughly one constellation since the signs were defined.

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