<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> Gemini (pronunciation: / ˈdʒɛmɪnaɪ / JEM - in - eye (♊) 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 . Gemini is represented by the twins Castor and Pollux . The symbol of the twins is based on the Dioscuri, one mortal and one immortal, that were granted shared half - immortality after the death of the mortal brother (Castor). </P> <P> NASA named its two - person space capsule Project Gemini after the zodiac sign because the spacecraft could carry two astronauts . </P>

When does the gemini sign start and end
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