On Thursday, December 4, we will see the Cold Moon - the last full moon of 2025. It is also a supermoon, which in the sign of Gemini brings conclusions, mental clarity, and a symbolic transition into the new year.
The last one full moon in 2025 it will occur on Thursday, December 4 at 18:14 Universal Time (UTC), which means at 19:14 Central European Time (CET)It is a so-called Cold moon, a traditional name that originates from North American tradition and denotes the December full moon – a time when the nights are longest and temperatures are lowest.
In addition, this will also supermoon – the moon will be at its fullness closer to Earth than usual (at perigee), so it will look bigger and brighterIt is an important visual and symbolic conclusion to the lunar cycle in 2025.
Astrology: Moon in Gemini
The full moon will take place in astrological sign twins (Gemini), which astrologically brings emphasis on thought processes, communication, learning and truthIf some full moons are emotional and intuitive, this one is geared towards mental clarity and mental relief.
This lunar phase encourages us to:
-
- closing unfinished conversations,
- reflection on knowledge, which we acquired in 2025,
- letting go of old beliefsthat limit our development,
- and creating space for new ideas in the coming year.
Since Gemini is a sign associated with the air element, the energy of this moon is flexible, curious and analytical, which may encourage more introspective shifts than emotional outbursts.
What does the 2025 Cold Supermoon bring?
It is a lunar moment with a multifaceted meaning:
1. Visual highlight
A supermoon is optically larger and brighter, as the moon approaches Earth at a distance of less than 360,000 kilometers. In practice, this means that on the evening of December 4, we will be able to admire extremely bright lunar disk, which will dominate the night sky.
2. Astrological symbolic conclusion
The last full moon of the year carries the element cycle completionIn the sign of Gemini, this also means the symbolic closing of thought loops, internal dialogues, and questions that have accompanied us throughout the year.
3. An opportunity for mental restructuring
A full moon in an air sign provides ideal conditions for mental clarification and setting new prioritiesThe Moon in Gemini is not introspective in the classical sense, but rather invites mental reflection on which information, relationships, and ideas still serve our growth – and which no longer do.
Lunar influences: between symbolism and science
Sleep and body rhythms
Scientific research has confirmed that the full moon can affect sleep, as it reduces melatonin production and affects sleep quality. During a supermoon, these changes are often even more pronounced due to the increased light impact.
Increased sensitivity
Although it is not universal, many individuals experience a full moon increased irritability, restlessness, or emotional swings, which can be attributed to the influence of light, electromagnetic changes and psychological factors.
Nature and behavior of animals
The lunar cycle has long been observed in nature - many animal species, from corals to migratory birds, synchronize their rhythms with the lunar phases. In humans, changes in behavioral patterns during certain phases of the moon are also the subject of research.
Symbolism of the end: the moon as a mirror of the past year
As the last full moon of 2025, the Cold Supermoon offers a powerful symbolic framework. This lunar phase is cathartic, but not necessarily dramatic – it is about mental reflection and mental transition into a new chapter. Although there is almost a whole month left until the New Year, the lunar cycle begins with the December full moon symbolically concludes.
Therefore, this is the ideal time to:
-
- writing down thoughts and conclusions about the year that is ending,
- thinking about what information, attitudes or beliefs should remain in the past,
- and preparing for a new cycle – both internal and external.
A cosmic moment of quiet clarity
The cold supermoon on December 4, 2025 is not only a visually impressive phenomenon, but also astrologically powerful symbol of closure and internal reorganizationHer presence in the sign of Gemini invites us to mental clarity, reflection and intellectual honesty.
At a time when the world is rushing towards holiday euphoria, this moon offers a space for silence, order of thought and a conclusion that does not require big words – just an honest look at yourself.
May the light of the moon accompany you - this time in its purest and most rational form. 🌕
