Moon Phase Today: December 11, 2025 - Third Quarter Moon Explained! (2026)

The moon's appearance is a captivating mystery, and tonight's show is no exception! But what's this about only half a moon?

On December 11, 2025, the moon will be in its Third Quarter phase, a time when only half of its face is illuminated. This occurs when the moon is in the second half of its lunar cycle, and for those in the Northern Hemisphere, it's the left side that shines. NASA's Daily Moon Observation reveals that approximately 53% of the moon will be lit, creating a mesmerizing sight.

Even without high-tech equipment, you can still enjoy the view. The Tycho and Kepler Craters, along with the Oceanus Procellarum, will be visible to the naked eye. Grab your binoculars, and the Grimaldi Basin, Clavius Crater, and the Alps Mountains will come into focus. But wait, there's more! With a telescope, you'll uncover the Caucasus Mountains, the Apollo 15 landing site, and the Rima Ariadaeus.

Here's where it gets exciting: The moon's phases are a result of its 29.5-day cycle around Earth. And this is the part most people miss—the sunlight hitting the moon changes as it orbits, creating the illusion of different shapes. From the New Moon's invisibility to the Full Moon's brilliance, each phase tells a story.

Here's a breakdown of the moon's phases:
- New Moon: Hidden from view, the moon is between Earth and the sun, leaving its side facing us in darkness.
- Waxing Crescent: A delicate sliver of light emerges on the right side, a hint of what's to come.
- First Quarter: Half of the moon is lit, resembling a perfectly sliced half-moon.
- Waxing Gibbous: Almost there! More than half is illuminated, building anticipation.
- Full Moon: A breathtaking sight as the entire face of the moon glows.
- Waning Gibbous: The moon begins its retreat, losing light on the right side.
- Third Quarter: Another half-moon, but this time, the left side takes the spotlight.
- Waning Crescent: A slender slice of light lingers on the left, before the cycle begins anew.

And now, a controversial question: Are moon phases just a scientific phenomenon, or do they hold cultural and spiritual significance? Throughout history, different civilizations have attributed various meanings to these phases. Some believe in the power of the Full Moon, while others find solace in the darkness of the New Moon. What's your take on this ancient connection between the moon and humanity?

Mark your calendars for the next full moon on January 3, and join the conversation below! Do you have any moon-watching tips or rituals? Share your thoughts and keep the lunar fascination alive!

Moon Phase Today: December 11, 2025 - Third Quarter Moon Explained! (2026)

References

Top Articles
Latest Posts
Recommended Articles
Article information

Author: Greg O'Connell

Last Updated:

Views: 6050

Rating: 4.1 / 5 (62 voted)

Reviews: 93% of readers found this page helpful

Author information

Name: Greg O'Connell

Birthday: 1992-01-10

Address: Suite 517 2436 Jefferey Pass, Shanitaside, UT 27519

Phone: +2614651609714

Job: Education Developer

Hobby: Cooking, Gambling, Pottery, Shooting, Baseball, Singing, Snowboarding

Introduction: My name is Greg O'Connell, I am a delightful, colorful, talented, kind, lively, modern, tender person who loves writing and wants to share my knowledge and understanding with you.