From this article in Time Magazine

The astronomers from the Minnesota Planetarium Society found that because of the moon's gravitational pull on Earth, the alignment of the stars was pushed by about a month.
According to the Minnesota Planetarium Society, here is where the real signs of the Zodiac should fall. Get ready for your world to change forever.

Capricorn: Jan. 20-Feb. 16.
Aquarius: Feb. 16-March 11.
Pisces: March 11-April 18.
Aries: April 18-May 13.
Taurus: May 13-June 21.
Gemini: June 21-July 20.
Cancer: July 20-Aug. 10.
Leo: Aug. 10-Sept. 16.
Virgo: Sept. 16-Oct. 30.
Libra: Oct. 30-Nov. 23.
Scorpio: Nov. 23-29.
Ophiuchus: Nov. 29-Dec. 17. (Yep, this one is new)
Sagittarius: Dec. 17-Jan. 20.

My birthday is March 11th, so it looks like I am STILL a pisces! How about you, is your star sign really something different????