Moon Calendar

Full Moon in Gemini 21° — December 2027

Full moon in Gemini at 21° on December 13, 2027. Exact UTC time, major time zones, meaning, ritual, and journal prompt.

Reviewed by Elena Foster· Lead Astrology Editor & Content Director

Astrology content is for reflection and entertainment, not medical, financial, legal, or mental-health advice.

At a glance

When is the full moon in December 2027?

The full moon is on December 13, 2027 at 2027-12-13 16:12 UTC in Gemini 21°. New York: Dec 13, 2027, 11:12 AM EST; Paris: Dec 13, 2027, 5:12 PM GMT+1; Mumbai: Dec 13, 2027, 9:42 PM GMT+5:30. This overview adds practical context, key considerations, and a clear way to apply the

Full moon in Gemini 21°
Exact at 2027-12-13 16:12 UTC
Focus on release and culmination

When is the full moon in December 2027?

The exact full moon occurs at 2027-12-13 16:12 UTC.

Major time zones:

UTC: 2027-12-13 16:12 UTC
New York: Dec 13, 2027, 11:12 AM EST
Los Angeles: Dec 13, 2027, 8:12 AM PST
London: Dec 13, 2027, 4:12 PM GMT
Paris: Dec 13, 2027, 5:12 PM GMT+1
Mumbai: Dec 13, 2027, 9:42 PM GMT+5:30

See the full calendar for this lunation: December 2027 Moon Calendar. For the year-level view, see 2026 Moon Calendar or 2027 Moon Calendar.

Full Moon in Gemini meaning

A Full Moon in Gemini at 21° brings to a climax, surfaces, and asks you to release the air themes of ideas, communication, and social dynamics. Because Gemini is a mutable sign, this lunation adapts and integrates the area of life connected to communication, learning, and connection. The thought, speech, and the exchange of information themes of Gemini are highlighted: the gifts of curiosity, wit, and adaptability can emerge, while the shadow side of scattered attention or overthinking may also show up.

At 21°, the Moon's position adds a subtle nuance to the Gemini expression, blending the sign's core qualities with the specific degree's tone. This is a moment of harvest, completion, or a turning point for the house in your chart where Gemini falls.

Who feels this full moon most

Sun, Moon, or rising in Gemini — and anyone with planets or angles near 21° Gemini — will feel this full moon more personally. The culmination lands in the house of your birth chart where Gemini appears, so that life area is where the story is unfolding.

Ritual and journaling prompt

One simple ritual for this full moon in Gemini is to write a single page in a journal, then read it aloud. Let the words themselves carry the let go. Pair it with the journaling prompt below.

Journaling prompt: What has come to a head in the area of communication, learning, and connection? What am I ready to release?

Why ephemeris-exact dates matter

A full moon is not a full day; it is an exact moment when the Moon reaches a specific 180° elongation from the Sun. The surrounding 24–48 hours carry the energy, but the exact time is the peak. This page uses the project's Meeus ephemeris engine, checked against published lunar tables for accuracy.