At the Summer Solstice, the Sun is at a declination of +23 1/2 degrees. If you were standing at the equator at noon, the sun would be to the north of your east-west line. If you were standing exactly at the Tropic of Cancer at a latitude of +23 1/2 degrees North, the Sun would be directly over head at noon. If you were standing at a latitude of MORE than 23 1/2 degrees north latitude, the Sun would always be to the south of your zenith position and your local east-west line at noon.