Your birthdate determines your star sign. There are 12 star signs in the zodiac, and each involves a range of dates. If your birthday falls within those dates, you identify with that star or sun sign. Here are the dates for each zodiac sign: Aries: March 21 – April 19 Taurus: April 20 – May 20 Gemini: May 21 – June 20 Cancer: June 21 – July 22 Leo: July 23 – August 22 Virgo: August 23 – September 22 Libra: September 23 – October 22 Scorpio: October 23 – November 21 Sagittarius: November 22 – December 21 Capricorn: December 22 – January 19 Aquarius: January 20 – February 18 Pisces: February 19 – March 20 However, your star sign is just the beginning when it comes to astrology. " If you are looking to explore deeper into the full astrology chart you would need the time of your birth and location," says Sidlo. "From there we begin to dive into all of the different points in the chart that give us insights for self-discovery." Many online tools easily calculate your entire birth chart, so you can begin discovering more about your sign.