In Bengaluru, anticipation is building among residents for a rare celestial event known as ‘Zero Shadow Day,’ set to occur on Wednesday. During this phenomenon, shadows will briefly vanish between 12:17 pm and 12:23 pm on April 24, offering a unique astronomical experience.
Understanding ‘Zero Shadow Day’
‘Zero Shadow Day’ is an astronomical occurrence resulting from the Sun being directly overhead at solar noon, influenced by Earth’s axial tilt of approximately 23.5 degrees and its orbit around the Sun. This phenomenon is most pronounced near the equator, where the Sun passes directly overhead during equinoxes.
Frequency and Significance
Bengaluru, situated at a latitude of 13.0 degrees north, experiences ‘Zero Shadow Day’ twice a year, typically around April 24/25 and August 18. It holds cultural and educational significance, serving as a reminder of Earth’s axial tilt and its impact on sunlight angles throughout the year.
Educational and Cultural Importance
This event provides an opportunity for educational outreach, allowing people to learn about Earth’s orbit and the changing angles of sunlight. Celebrated as a unique astronomical occurrence, ‘Zero Shadow Day’ highlights the beauty and complexity of celestial phenomena.
As residents prepare to witness this rare spectacle, ‘Zero Shadow Day’ serves as a reminder of the wonders of the natural world and the importance of ongoing scientific exploration.
