Zero Shadow Moment/Day

Q.  What is the Zero Shadow Moment?
- Published on 30 May 16

a. When the sun is directly overhead
b. When there is no shadow of an object
c. When the sun is setting
d. When the sun is rising

ANSWER: When the sun is directly overhead
  • During the zero shadow moment/day, the sun is directly overhead and the shadow is cast below the object.
  • If the object is on the ground it is difficult to see its shadow and it may look like there is no shadow. However this is not the case. There is shadow which may not be easily visible.
  • For those between the latitudes 23.5 deg. south (the tropic of Capricorn) and 23.5 deg. north (the tropic of Cancer) can experience the sun right overhead at Zenith - twice every year, once between December solstice (21st/22nd December) and June solstice (20th/21st June) and then between June solstice and December solstice.

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