Daily paths of the Sun for a place located at 40°N latitude for: (a) summer solstice; (b) spring or fall equinox, and (c) winter solstice. As we move from summer to winter, the angle of the noon Sun decreases from 73.5 to 26.5 degrees—a difference of 47 degrees (see Figure 2-6). Notice also how the location of sunrise (east) and sunset (west) changes during a year.