First, find your azimuth. Next, the Altitude (or elevation) is the angle between the Earth's surface (horizon) and the sun, or object in the sky. Altitudes range from -90Â° (straight down below the horizon, or the nadir) to +90Â° (straight up above the horizon or the Zenith) and 0Â° straight at the horizon.
Four years is one term. US presidents can only serve two for four year terms, for a total of eight years. The controlling law is the 22nd Amendment to the US Constitution.
Currently, the president can only serve two terms of four years. When Franklin D. Roosevelt was president, there was no limit on how many terms the president could serve. But in 1951, an amendment was added to the US Constitution limiting the president to only serving two terms. This source has the whole text of the US Constitution.