http://www.psychicguild.com/Weekly-Horoscope/Aries ~ Weekly Horoscope Forecast for Zodiac Sign Aries. Your week looks rather boring to tell you the cosmic truth Aries, but with a Full Moon in Sagittarius on Friday the 13th, it could very well end with quite the bang! Neptune the planet that operates under the radar retrogrades for the next 5 months in your 12th house of past karma and subconscious, joining the other retrograde line up of Saturn, Mercury and Pluto.