Question

The sun is overhead on a line of longitude a day ​

Answer 1

Answer:

The Sun is directly overhead at "high-noon" on the equator twice per year, at the two equinoxes. Spring (or Vernal) Equinox is usually March 20, and Fall (or Autumnal) equinox is usually September 22. Except at the equator, the equinoxes are the only dates with equal daylight and dark.

Answer 2

b/w tropical of cancer and tropical of Capricorn