Today's exact layer
Moon calendarDecember 2040
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 2040 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
Waning Crescent
12% lit, Moon in Gemini 10 deg.
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Sign changes this month: Dec 1 Gemini, Dec 22 Cancer.
DAILY LUNAR DATA
December 2040 moon phases
Each day is computed from astronomical Moon phase angle and lunar longitude, then summarized into a scan-friendly calendar.
Day 1
Waning Crescent
12% lit
Gemini 10 deg
Age 26.2d
Day 2
Waning Crescent
6% lit
Gemini 11 deg
Age 27.2d
Day 3
New Moon
2% lit
Gemini 12 deg
Age 28.3d
Day 4
New Moon
0% lit
Gemini 13 deg
Age 29.4d
Day 5
New Moon
1% lit
Gemini 14 deg
Age 0.9d
Day 6
Waxing Crescent
5% lit
Gemini 15 deg
Age 2.1d
Day 7
Waxing Crescent
11% lit
Gemini 16 deg
Age 3.2d
Day 8
Waxing Crescent
20% lit
Gemini 17 deg
Age 4.3d
Day 9
Waxing Crescent
30% lit
Gemini 18 deg
Age 5.4d
Day 10
First Quarter
41% lit
Gemini 19 deg
Age 6.5d
Day 11
First Quarter
52% lit
Gemini 20 deg
Age 7.6d
Day 12
First Quarter
63% lit
Gemini 21 deg
Age 8.6d
Day 13
Waxing Gibbous
73% lit
Gemini 22 deg
Age 9.6d
Day 14
Waxing Gibbous
82% lit
Gemini 23 deg
Age 10.6d
Day 15
Waxing Gibbous
89% lit
Gemini 24 deg
Age 11.6d
Day 16
Waxing Gibbous
95% lit
Gemini 25 deg
Age 12.6d
Day 17
Full Moon
98% lit
Gemini 26 deg
Age 13.5d
Day 18
Full Moon
100% lit
Gemini 27 deg
Age 14.4d
Day 19
Full Moon
100% lit
Gemini 28 deg
Age 15.4d
Day 20
Full Moon
97% lit
Gemini 29 deg
Age 16.3d
Day 21
Waning Gibbous
93% lit
Gemini 30 deg
Age 17.2d
Day 22
Waning Gibbous
88% lit
Cancer 1 deg
Age 18.1d
Day 23
Waning Gibbous
81% lit
Cancer 2 deg
Age 19d
Day 24
Waning Gibbous
74% lit
Cancer 3 deg
Age 19.8d
Day 25
Last Quarter
65% lit
Cancer 4 deg
Age 20.7d
Day 26
Last Quarter
55% lit
Cancer 5 deg
Age 21.6d
Day 27
Last Quarter
46% lit
Cancer 6 deg
Age 22.6d
Day 28
Last Quarter
36% lit
Cancer 7 deg
Age 23.5d
Day 29
Waning Crescent
26% lit
Cancer 8 deg
Age 24.5d
Day 30
Waning Crescent
17% lit
Cancer 9 deg
Age 25.5d
Day 31
Waning Crescent
10% lit
Cancer 10 deg
Age 26.6d