The Movements Of The Planets Around The Sun Are Traced Through The Zodiac, And Computations Of Their Daily Positions Are Published In Table Form Called Ephemerides. The Time Of A Complete Revolution Of A Planet Around The Sun Is Termed A Planetary Year. The Earth Year Is The Standard Of Measurement. The Approximate Periods Of Planetary Revolutions Are:Earth-365 days 7 hrs. Jupiter-11 Years 314 days. Mercury-88 Days. Saturn-29 Years 167 Days. Venus-224 Days. Uranus-84 Years. Mars-1 Year 322 Days. Neptune-164 Years 167 Days. Moon-28 Days Around The Earth