Mark Your Calendars: The Cold Moon Illuminates the Night on December 4, 2025

Mark Your Calendars: The Cold Moon Illuminates the Night on December 4, 2025

The phases of the moon captivate observers with their fascinating astronomical behaviors and serve as rich sources of thought and interpretation in Astrology. Among the nine phases – New, Waxing Crescent, 1st Quarter Half, Waxing Gibbous, Full, Waning Gibbous, Last Quarter Half, Waning Crescent, and Balsamic – the New and Full Moons command the most attention. This article will examine the current Full Moon and discuss the emotional “harvest” you should gather during this lunar phase.

Full Moon – Reap What You Have Sown!

The Full Moon for December will occur on the 4th at 13 degrees and 03 minutes in the sign of Gemini. In my Eastern Standard Time zone it will happen at 6:14 pm.

It takes 29.5 days from one Full Moon to the next, spending approximately 2 and ½ days in a sign. The day before and the day after comprise the peak time of the Full Moon energy. The Full Moon is the time of “the harvest”. What began with the New Moon reaches its full potential before waning, fading, and preparing for a new cycle.

The Full Moon in December, the Cold Moon, illuminates the longest nights of the year with clarity and curiosity. Its name reflects the stillness of winter and the wisdom found in reflection. Other traditional names include the Long Nights Moon and the Winter Moon, symbols of endurance and renewal. Under this Full Moon in Gemini, focus on communication, adaptability, and learning through connection. Embrace honest dialogue, flexible thinking, and curiosity about what’s next. This lunar energy encourages releasing outdated ideas and opening your mind to new possibilities as the year closes.

Full Moon in Gemini – The Need to Communicate

This Full Moon occurs in the 2nd decan of Gemini. This placement blends Gemini’s curiosity and quick wit with Libra’s grace and sense of harmony. Ruled by Mercury and Venus, this decan emphasizes thoughtful communication, social balance, and the art of meaningful connection. The Gemini/Libra Full Moon encourages speaking from the heart. You want to do so with clarity and kindness, finding beauty in dialogue, and creating harmony through shared understanding. It’s a time to refine relationships, express ideas with charm and diplomacy, and seek balance between intellect and emotion. Under this lunar energy, words become bridges—uniting perspectives and opening paths to cooperation and connection.

Your Moon Phase at Birth: Your Emotional Compass

With this Full Moon at 13d03m, the Sabian Symbol is 14 Gemini, “ A conversation by telepathy.” Marc Edmund Jones says, “This is a symbol of the transcendent level on which human experience has its truest focus, here at the extreme of personal realization. There are illimitable ties between each individual and every one of his fellows, providing the fabric for a fellowship of invisible sympathies or co-operations and making him sensitive at all times and at all points to the potentialities in which he may have a self-fulfillment. When positive, the degree is an exceptional capacity for achievement through the more organic relationships of personality in given and pertinent connections, and when negative, attempted accomplishment through innuendo or underhanded means.” The key word is: INTIMATION.

The Number of This Full Moon

This Full Moon will occur on 12/04/2025, which totals 16, which reduces to 7. In numerology, the number 7 represents introspection, spiritual growth, and deep inner wisdom. It invites quiet reflection, solitude, and a search for truth beyond the surface. Under the influence of 7, we seek to study, contemplation, and intuitive insight, valuing depth over distraction. This number symbolizes the sacred quest for meaning, faith, and alignment with higher understanding. Ultimately, 7 teaches us to trust the unseen, honor mystery, and grow through inner clarity and spiritual connection.

When a Full Moon falls on the 4th day in Gemini, the energy emphasizes stability, structure, and thoughtful communication. The number 4 invites organization, discipline, and practical planning, while Gemini’s airy curiosity encourages learning, adaptability, and social connection. This lunar moment supports creating solid foundations through clear dialogue, careful decision-making, and strategic action. Embrace focused thinking, constructive networking, and grounded curiosity.

Book Review: Moon Phase Astrology by Raven Kaldera

To align with this Full Moon and the energy of 4, create a ritual centered on grounding, stability, and intention. Light a white or green candle to symbolize balance, structure, and steady growth. Write down goals that support long-term security, organization, and emotional calm. Then, speak an affirmation honoring discipline, focus, and inner peace. Conclude with a moment of stillness, visualizing strong foundations beneath you and a clear path ahead.

The Full Moon and Your Sun Sign

During the Gemini Full Moon, the energy calls for curiosity, communication, and adaptable thinking, influencing each Sun sign:

Aries: Explore new ideas and share your thoughts. Focus on learning that expands your perspective.
Taurus: Listen, reflect, and adapt. Seek practical ways to apply new knowledge in daily life.
Gemini: Channel mental energy into meaningful communication and networking. Prioritize learning, writing, or teaching.
Cancer: Engage with information that nurtures emotional understanding. Strengthen connections through thoughtful dialogue.
Leo: Express creativity through conversation or collaborative projects. Share ideas that inspire others.
Virgo: Organize information and refine communication skills. Focus on clarity and efficiency.
Libra: Harmonize relationships through listening and open discussion. Seek balance in ideas exchanged.
Scorpio: Investigate hidden truths and embrace transformative learning. Communicate with intention and depth.
Sagittarius: Expand horizons through curiosity and exploration. Be open to new perspectives.
Capricorn: Strategically apply knowledge to goals. Ground abstract ideas into practical plans.
Aquarius: Innovate and brainstorm collaboratively. Turn intellectual insights into actionable strategies.
Pisces: Integrate intuition with communication. Translate dreams into clear, shareable visions.

This Full Moon invites all signs to embrace curiosity, mental flexibility, and communication to empower learning, connection, and inspired action.

Tarot and the Moon: Reading with the Lunar Cycle

If you were born during a Full Moon, you will feel every Full Moon in some significant way. This happens because this phase aligns with your birth Moon phase. It’s worthwhile to find out the Moon phase at your birth. Learning your birth Moon phase will reveal that the same phase each month strongly impacts your emotional state.

The post Mark Your Calendars: The Cold Moon Illuminates the Night on December 4, 2025 appeared first on askAstrology.

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