Gemini (pronunciation: /ˈdʒɛmɪnaɪ/ or /ˈdʒɛmɪniː/ JEM-in-eye or JEM-in-ee) (♊) is the third astrological sign in the Zodiac, originating from the constellation of Gemini. Under the tropical zodiac, the sun transits this sign between May 21 and June 21 Most info from Twitter.