Categories: India

Lunar Eclipse 2025: What Is Blood Moon And What’s The Science Behind It?

The total lunar eclipse in September 2025 will last for 82 minutes of totality, offering a rare Blood Moon spectacle. Skywatchers across major regions, including Europe, Africa, Asia, and Australia, will be able to witness the Moon gradually turning a deep red as Earth’s shadow covers it completely.

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Published by Swastika Sruti
Published: September 6, 2025 11:45:44 IST

A total lunar eclipse will occur overnight from Sunday, September 7, into the early hours of Monday, September 8, 2025. During this rare celestial event, the full Moon will pass into Earth’s shadow and transform into a striking red “Blood Moon.”

The eclipse will last for about 82 minutes, offering a spectacular view for skywatchers across Asia, Western Australia, and Europe. Almost 77% of the world’s population will be able to see this phenomenon. 

Lunar Eclipse 2025: Key Timings Across Cities

The lunar eclipse will reach its maximum phase at 5:11 p.m. EDT (21:11 GMT) on September 7, 2025. At this time, the Moon will be fully immersed in Earth’s shadow. Totality (complete coverage) will last for 82 minutes.

  • London (BST): 7:30 p.m. – 7:52 p.m. (Sept. 7)
  • Paris (CEST): 7:30 p.m. – 8:52 p.m. (Sept. 7)
  • Cape Town (SAST): 7:30 p.m. – 8:52 p.m. (Sept. 7)
  • Mumbai (IST): 11:00 p.m. (Sept. 7) – 12:22 a.m. (Sept. 8)
  • Beijing (CST): 1:30 a.m. – 2:52 a.m. (Sept. 8)
  • Sydney (AEST): 3:30 a.m. – 4:52 a.m. (Sept. 8)
  • Skywatchers in these regions will have the best chance to witness the reddish glow of the Moon as it enters and deepens into totality.

What Happens During a Lunar Eclipse

The September 2025 eclipse begins as the Moon enters Earth’s penumbral shadow, creating a faint shading effect on the surface.

As the Moon moves deeper into the umbral shadow, the darker part of Earth’s shadow, it will gradually change color. During totality, the Moon will glow reddish-orange, popularly called a Blood Moon. 

Blood Moon Visibility for Skywatchers Worldwide

Skywatchers across Asia, Africa, Europe, and parts of Australia will be able to observe the entire eclipse, while others will witness partial stages. Major cities including Mumbai, Beijing, Hong Kong, Tokyo, and Sydney will experience a clear view.

For those in regions with poor weather or limited visibility, free livestreams will broadcast the entire event online.

Websites such as Space.com will also provide real-time coverage and updates, ensuring that the Blood Moon spectacle can be enjoyed worldwide. This eclipse marks the last total lunar eclipse of 2025, making it a highly anticipated event.

Science Behind the Blood Moon

The Blood Moon occurs when Earth blocks sunlight from reaching the Moon directly. Instead, the atmosphere filters the sunlight, bending red and orange hues onto the lunar surface.

The September 2025 eclipse will sit deep within Earth’s umbra, causing the Moon to appear darker and redder than usual. Scientists say the reddish tint results from the scattering of shorter wavelengths of light, leaving only longer wavelengths like red and orange to reach the Moon.

Also Read: Lunar Eclipse 2025: Things One Should And Avoid During ‘Chandra Grahan’

Published by Swastika Sruti
Published: September 6, 2025 11:45:44 IST

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