Today's exact layer
Moon calendarJanuary 2031
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.
Lunar calendar
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January 2031 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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Follow the month as a moving sky path
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Jan 1
First Quarter
56% lit, Moon in Cancer 10 deg.
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Sign changes this month: Jan 1 Cancer, Jan 21 Leo.
DAILY LUNAR DATA
January 2031 moon phases
Each day is computed from astronomical Moon phase angle and lunar longitude, then summarized into a scan-friendly calendar.
Day 1
First Quarter
56% lit
Cancer 10 deg
Age 8d
Day 2
First Quarter
66% lit
Cancer 11 deg
Age 8.9d
Day 3
Waxing Gibbous
75% lit
Cancer 12 deg
Age 9.8d
Day 4
Waxing Gibbous
82% lit
Cancer 13 deg
Age 10.7d
Day 5
Waxing Gibbous
89% lit
Cancer 15 deg
Age 11.6d
Day 6
Waxing Gibbous
94% lit
Cancer 16 deg
Age 12.5d
Day 7
Full Moon
98% lit
Cancer 17 deg
Age 13.3d
Day 8
Full Moon
100% lit
Cancer 18 deg
Age 14.2d
Day 9
Full Moon
100% lit
Cancer 19 deg
Age 15.1d
Day 10
Full Moon
98% lit
Cancer 20 deg
Age 16d
Day 11
Waning Gibbous
95% lit
Cancer 21 deg
Age 16.9d
Day 12
Waning Gibbous
89% lit
Cancer 22 deg
Age 17.9d
Day 13
Waning Gibbous
82% lit
Cancer 23 deg
Age 18.8d
Day 14
Waning Gibbous
74% lit
Cancer 24 deg
Age 19.8d
Day 15
Last Quarter
65% lit
Cancer 25 deg
Age 20.8d
Day 16
Last Quarter
54% lit
Cancer 26 deg
Age 21.8d
Day 17
Last Quarter
43% lit
Cancer 27 deg
Age 22.8d
Day 18
Last Quarter
32% lit
Cancer 28 deg
Age 23.9d
Day 19
Waning Crescent
22% lit
Cancer 29 deg
Age 25d
Day 20
Waning Crescent
13% lit
Cancer 30 deg
Age 26.1d
Day 21
Waning Crescent
6% lit
Leo 1 deg
Age 27.2d
Day 22
New Moon
2% lit
Leo 2 deg
Age 28.4d
Day 23
New Moon
0% lit
Leo 3 deg
Age 29.5d
Day 24
New Moon
2% lit
Leo 4 deg
Age 1.1d
Day 25
Waxing Crescent
6% lit
Leo 5 deg
Age 2.2d
Day 26
Waxing Crescent
12% lit
Leo 6 deg
Age 3.3d
Day 27
Waxing Crescent
20% lit
Leo 7 deg
Age 4.3d
Day 28
Waxing Crescent
29% lit
Leo 8 deg
Age 5.3d
Day 29
First Quarter
39% lit
Leo 9 deg
Age 6.3d
Day 30
First Quarter
49% lit
Leo 10 deg
Age 7.2d
Day 31
First Quarter
58% lit
Leo 11 deg
Age 8.1d