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.
Selection. According to the Constitution, the President serves a four-year term of office. The 22nd Amendment further requires that a President may not be elected more than twice, nor serve more than a total of ten years. The Constitution also created an electoral college to select the President.