The Sun entered the sign of Cancer on June 20, 2016 at 5:34 PM CT. Scroll below to see what this means for you. ​The Cancer Sun (June 20 - July 22, 2016), ruled by the Moon, starts with the Summer Solstice north of the equator. ​ It is the birth sign of the United States of America. Cancer is the first water sign of the Zodiac. ​ Cancers form their identity around home, family, food, plants, and personal experiences. They are very empathetic and enjoy nurturing others - and being cardinal, they have no problem taking the initiative to do so even though they are generally shy. ​ Being ruled by the Moon, they can feel and reflect every fluctuation of mood, whether the source is internal or ex