December 2025 cold moon: When will the last full moon of the year be seen in the US?

he Lunar calendar December 2025 in the United States It allows you to know the phases and most important changes that the moon will undergo during the month. In the coming days, fans astronomy You will be able to enjoy Full moonalso called Cold moon also “maximum“.

the Full moon December, otherwise known as Cold moonit will be Last Super Moon until 2026 And the most “extreme” full moon until 2042. The full moon is the precise moment when a natural satellite reaches opposition to the sun in the sky, according to Star walk.

The full moon in December has multiple names such as Cold or Mourning Moon (Pexels/JayBrand)

he Lunar calendar for December In the United States it will be as follows:

The moon enters Tuberous growth stage During the week following the first quarter, while which advances toward the full moon, sender SkyLive.

This is the last full moon and supermoon of the year until 2026. It is special because It will be higher in the sky than any other full moon until 2042. He stressed that this is an excellent opportunity to observe it. calendar.

The full moon appears because it is located in front of the sun, resulting in an apparition The angular separation is about 180 degreesso called opposition. In this process, the entire face of the Moon, which can be seen from Earth, is completely illuminated and appears as a bright circular disk. TheSkyLive.

The Moon enters its waning gibbous phase during the week following the full moon It advances to the third or last quarter. During this phase, the illuminated portion of the Moon visible from Earth decreases each night.

The seventh phase of the lunar cycle occurs when the Moon completes three-quarters of its orbit. It is placed at the right angle to the sunIt appears in the sky at sunset, according to… Time and date.

The December lunar calendar marks the appearance of a supermoon in the first days of the month (CalendarioLunar/StarWalk)

During this stage, The moon is approaching the next new moon The angular distance between it and the sun decreases every day. It appears as a crescent with the brighter side facing east, which becomes smaller as the next new moon approaches.

The moon is in the new moon phase at the beginning of a cycle of lunar phases. During this stage, The moon is located between the earth and the sun. This alignment means that its angular separation from the Sun is close to 0 degrees, a configuration that It is called conjunction.

From the earth face The moon is not illuminated by the sun. He pointed out that the new moon is usually invisible to the naked eye. TheSkyLive.

It occurs in the days following the new moon, which falls The first visible phase of the lunar cycle. During this stage, The Moon’s angular distance from the Sun increases every day. It appears in the form of a thin crescent, the bright part of which is to the west, and it increases in size every night He advances towards the crescent.

The third phase of the lunar cycle occurs when the Moon completes a quarter of its orbit. the The Moon is positioned at a right angle to the Sun when viewed from Earth. It appears half-lit and can be seen in the sky at dusk Star walk.

In December 2025, the full moon will appear in the sky on December 4. (Unsplash/Ganapathy Kumar)

It occurs during the week following the first quarter, while Move towards the full moon. During this phase, the most illuminated part of the Moon increases and covers more than half of the surface, but it is not completely complete.

the name Cold moon It comes from the Native American Mohawk culture and means that Temperatures drop significantly at that timeAccording to Star Walk.

The December full moon also has other alternative names such as Long night moonSince the Northern Hemisphere’s full moon in December is closest to the winter solstice, Which represents the longest night of the year.

It is also known as Mourning moonBecause it is the last full moon before the winter solstice (in the Northern Hemisphere). For pagans, it represents It’s time to get rid of old, overwhelming things and ideaswhile allowing yourself time to grieve that loss.