Gemini May 21 or 22?

I was born on may 21 which i thought was under a gemini sign however ive seen another sites saying geminis are may 22 to june whatever so which is right??
p.s. i seem to fit the description on a gemini but who knows.

Posted by gemtaur
You're a Gemini.

Your post has no beginning, middle, end, or point.

Welcome!

Haha, well then ill take that as a backhanded compliment thank you very much!🙂

You're on the cusp of Gemini/Taurus. Cusp of Energy.

grazie