Bengaluru To Witness 'Zero Shadow Day' Today: All You Need To Know

Karnataka's capital Bengaluru is all set for a rare astronomical event on Wednesday. Bengaluru will witness what is called a 'zero shadow day' today. The zero shadow day will occur between 12:17 pm and 12:23 pm on April 24 and will be experienced by places situated at the same latitudes as Bengaluru.

Zero shadow day in other places too

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Apart from the Karnataka capital, residents of Kanyakumari, Bhopal, Hyderabad and Mumbai are also likely to witness a zero shadow day today.

A similar event took place in Tamil Nadu's Kodaikanal on April 16.

Where to watch zero shadow day

The Indian Institute of Astrophysics (IIA) in Bengaluru will host events on April 24 to mark Zero Shadow Day at its Koramangala campus. They have welcomed the public to join in on the activities starting from 10 AM to 1 PM. Participants can observe and measure changing shadow lengths of objects and gain insights into the Earth's tilt and orbit around the sun.

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"Join us on 24 April to celebrate Zero Shadow Day for locations at Bengaluru latitude. Measure shadow lengths and check out our cool demos! We will work with Bhopal & Chennai to calculate Earth's diameter and rotation speed," Indian Institute of Astrophysics said in a social media post.

What is zero shadow day

Zero Shadow Day occurs when the sun is positioned directly overhead, resulting in objects casting no shadows at noon. This phenomenon typically occurs in regions located near the equator, where the sun's angle is almost perpendicular to the Earth's surface. As a result, objects appear to have no shadow for a brief time.

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Most of the areas that fall between the Tropic of Capricorn and the Tropic of Cancer can experience this phenomenon.

Zero shadow day 2023

Last year too, Bengaluru had recorded a zero shadow day, on April 25 at 12:17 pm, when shadows of vertical objects disappeared for a moment.

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