Question

What is zero shadow day ?

Answer 1

Answer:

A zero shadow day is a day on which the Sun does not cast a shadow of an object at noon, when the sun will be exactly at zenith. Zero shadow day happens twice in a year for the places between +23.5 and -23.5 degrees of latitude. The dates will be different for different places on Earth.

Answer 2

Answer:

Zero shadow day are the days when the sun will rise at true east and set at true west. It happens two times in a day at a particular place and it usually happens at places between tropic of cancer and tropic of Capricorn.

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