The Moon on December 4, 2025
Where the Moon sits on December 4, 2025: her sign, phase, and void-of-course windows, computed with the Swiss Ephemeris. Times in UTC; for your own timezone see the live Moon tool.
Full Moon · void of course part of the day
With the Moon in Gemini, the emotional weather runs quick and curious. It crosses into Gemini at 2:48 AM UTC, so the day carries both moods. The full moon is culmination and full light, things come to a head.
- Enters Gemini at 2:48 AM UTC
- Void of course: 12:00 AM UTC to 2:48 AM UTC. Poor timing to begin anything you want to go somewhere.
What a Gemini Moon feels like
When the Moon moves through Gemini, the mood of the day tilts quick and curious. The Moon is the fastest body in the sky and she sets the emotional weather, so this is the undertone beneath December 4, 2025, changing again in a day or two as she moves on. It crosses into Gemini at 2:48 AM UTC, so the day carries both moods.
Her phase is the other half. This is a full moon: culmination and full light, things come to a head. If you are timing something that matters, the rule of thumb is to build on a waxing Moon, release on a waning one, and steer clear of the void-of-course windows above.
For the void-of-course windows on December 4, 2025 led up front, with what to do about them, see the void of course read for this date.
Timing something on December 4?
Find the exact best window for your city and intention in the free timing finder, or ask The Twelve Rooms for a full reading.
Open the timing finder