NEWS – Bengaluru celebrated its first Zero Shadow Day (ZSD) of the year on 24 April

HIGHLIGHTS

Explanation of Zero Shadow Day

• Occurs when the sun reaches a position directly overhead, causing shadows of vertical objects to disappear.
• This phenomenon is a result of Earth’s tilt, which influences the sun’s apparent path across the sky and leads to seasons.

Specifics of Zero Shadow Day in Bengaluru

• ZSD occurred at local noon (12.17 pm) in Bengaluru, Mangaluru, and Chennai, which share the same latitude.
• The Indian Institute of Astrophysics (IIA) explains ZSD as a consequence of Earth’s tilt of 23.5 degrees relative to its orbit
• IIA partnered with Aryabhat Foundation in Bhopal to measure the shadow length at Bengaluru’s local noon and calculate its value.
• The Jawaharlal Nehru Planetarium organized demonstrations and interactive sessions to engage the community in understanding ZSD.
• Bengaluru is set to experience the next ZSD on August 18