The next Zero Shadow Day is set to take place on August 18, 2023

What is Zero shadow Day

On a Zero Shadow Day, the sun does not directly throw a shadow on any objects at noon, when it is at its absolute highest point. For sites between the Tropics of Cancer and Capricorn, this occurrence occurs.

IN Short

  1. At noon, the sun does not throw a shadow on anything.
  2. This results from the Earth’s axis’ tilt.
  3. This event was visible to locals in any public area.

What Happens on this day

The days when the sun rises at true east and sets at true west are known as Zero Shadow Days (ZSD). Every two years, when the sun is directly overhead, all shadows of any object vanish for a brief period of time.

Where does Zero Shadow Day occur?

During the two equinoxes—the vernal equinox around March 20–21 and the autumnal equinox around September 22–23—this phenomena happens in several parts of the earth, usually close to the equator. On August 3 at precisely 12:23 pm, Hyderabad, the capital of Telangana, experienced this extraordinary celestial phenomenon.

ZSD Video

zero shadow day

FAQ’s

What is meant by Zero Shadow Day where and when does it occur?

On a day with zero shadows, the sun will be directly overhead at solar noon and will not cast a shadow on any objects. For areas in the tropics (between the Tropic of Cancer at latitude 23.4° N and the Tropic of Capricorn at latitude 23.4° S), zero shadow day occurs twice a year.

How shadow is formed in day and night?

When something is in the way of the light and blocks it from passing through, a shadow is cast on the side of the object that is not facing the light. The light’s incident angle is quite tiny in the morning and evening. Longer shadows result from this in the morning and evening.

What is the time of zero shadow?

The phenomenon is to take place approximately at 12.22 pm

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