The year’s final full moon will soon illuminate the sky.
December’s full moon, also known as the Cold Moon, will be the third consecutive supermoon to conclude the year. Thursday presents the last opportunity to observe this phenomenon before the close of 2025.
Here’s essential information about this month’s supermoon.
What is the Cold Moon?
The full moon occurring in December is designated the “Cold Moon.”
Each month’s full moon is given a distinct name, usually bearing cultural or historical weight. The December full moon, for example, is termed the Cold Moon due to the chilly weather of the season, as indicated by the .
What is a supermoon?
A ” refers to a full moon that appears larger and more brilliant than usual. This celestial event takes place when the moon’s orbit brings it nearer to Earth. At its perigee—the point in its orbit closest to Earth—the moon can look up to 14% bigger and 30% brighter than the year’s faintest moon, according to .
Several supermoons occur annually, typically three or four. This year, three supermoons are appearing back-to-back, with , , and now this third and final one in December.
When and how will you best be able to see the December supermoon?
The December supermoon is expected to reach its peak illumination on Thursday, December 4, at 6:14 p.m. ET, as reported by the Almanac.
While the supermoon is generally visible by simply looking skyward, using a telescope or binoculars will allow for a more detailed view of its surface. For the most favorable viewing experience, seek out an open, flat location offering an unobstructed sky view and minimal light interference.