Saturn stays in each zodiac sign for two and a half years taking about 30 years to get through all 12 signs of the zodiac. It rules both Aquarius and Capricorn. When Saturn is in a sign, it makes us crave the energy or characteristics of that sign. They call it the taskmaster because it pushes us to do things. Discipline and responsibility are known to be linked to this planet as it was said to the be the god of time, pushing us to be aware of its passage. It has to do with masculine traits of authority, the teacher aspects and lessons learned over time. It rules the 10th and 11th houses.