Today's exact layer
Moon calendarDecember 2025
Monthly Moon phase calendar
Follow each day's phase, illumination, Moon sign, moon age, and cycle progress. Use it to time starts, refinements, releases, and rest.
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December 2025 moon map
Open today's exact Moon result when you want local visibility, the current phase, and a guided next step.
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Dec 1
Waxing Gibbous
80% lit, Moon in Gemini 9 deg.
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Sign changes this month: Dec 1 Gemini, Dec 22 Cancer.
DAILY LUNAR DATA
December 2025 moon phases
Each day is computed from astronomical Moon phase angle and lunar longitude, then summarized into a scan-friendly calendar.
Day 1
Waxing Gibbous
80% lit
Gemini 9 deg
Age 10.4d
Day 2
Waxing Gibbous
88% lit
Gemini 10 deg
Age 11.5d
Day 3
Waxing Gibbous
95% lit
Gemini 11 deg
Age 12.7d
Day 4
Full Moon
99% lit
Gemini 12 deg
Age 13.8d
Day 5
Full Moon
100% lit
Gemini 13 deg
Age 15d
Day 6
Full Moon
98% lit
Gemini 14 deg
Age 16.2d
Day 7
Waning Gibbous
93% lit
Gemini 15 deg
Age 17.3d
Day 8
Waning Gibbous
86% lit
Gemini 16 deg
Age 18.4d
Day 9
Waning Gibbous
77% lit
Gemini 17 deg
Age 19.5d
Day 10
Last Quarter
67% lit
Gemini 18 deg
Age 20.5d
Day 11
Last Quarter
57% lit
Gemini 20 deg
Age 21.5d
Day 12
Last Quarter
47% lit
Gemini 21 deg
Age 22.4d
Day 13
Last Quarter
37% lit
Gemini 22 deg
Age 23.4d
Day 14
Waning Crescent
28% lit
Gemini 23 deg
Age 24.3d
Day 15
Waning Crescent
20% lit
Gemini 24 deg
Age 25.2d
Day 16
Waning Crescent
13% lit
Gemini 25 deg
Age 26d
Day 17
Waning Crescent
8% lit
Gemini 26 deg
Age 26.9d
Day 18
New Moon
3% lit
Gemini 27 deg
Age 27.8d
Day 19
New Moon
1% lit
Gemini 28 deg
Age 28.7d
Day 20
New Moon
0% lit
Gemini 29 deg
Age 0.1d
Day 21
New Moon
1% lit
Gemini 30 deg
Age 1d
Day 22
Waxing Crescent
4% lit
Cancer 0 deg
Age 1.9d
Day 23
Waxing Crescent
9% lit
Cancer 1 deg
Age 2.8d
Day 24
Waxing Crescent
15% lit
Cancer 2 deg
Age 3.8d
Day 25
Waxing Crescent
24% lit
Cancer 3 deg
Age 4.8d
Day 26
First Quarter
33% lit
Cancer 4 deg
Age 5.7d
Day 27
First Quarter
43% lit
Cancer 6 deg
Age 6.7d
Day 28
First Quarter
54% lit
Cancer 7 deg
Age 7.8d
Day 29
First Quarter
65% lit
Cancer 8 deg
Age 8.8d
Day 30
Waxing Gibbous
76% lit
Cancer 9 deg
Age 9.9d
Day 31
Waxing Gibbous
85% lit
Cancer 10 deg
Age 11d