2025 potential zodiac sign dates The inclusion of Ophiuchus and Cetus alters the dates of the 12 zodiac signs already known, so some people could change their sign. The dates are as follows: Aries: April 18 - May 13 Taurus: May 14 - June 19 Gemini: June 20 - July 20 Cancer: July 2 - August 9 Leo: August 10 - September 15 Virgo: September 16 - October 30 Libra: October 31 - November 22 Scorpio: November 23 - November 29 Ophiuchus: November 30 - December 17