Today's exact layer
Moon calendarMay 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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May 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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May 1
First Quarter
63% lit, Moon in Scorpio 10 deg.
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Sign changes this month: May 1 Scorpio, May 22 Sagittarius.
DAILY LUNAR DATA
May 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
63% lit
Scorpio 10 deg
Age 8.6d
Day 2
Waxing Gibbous
73% lit
Scorpio 11 deg
Age 9.6d
Day 3
Waxing Gibbous
81% lit
Scorpio 12 deg
Age 10.6d
Day 4
Waxing Gibbous
89% lit
Scorpio 13 deg
Age 11.6d
Day 5
Waxing Gibbous
95% lit
Scorpio 14 deg
Age 12.6d
Day 6
Full Moon
99% lit
Scorpio 15 deg
Age 13.7d
Day 7
Full Moon
100% lit
Scorpio 16 deg
Age 14.8d
Day 8
Full Moon
99% lit
Scorpio 17 deg
Age 15.9d
Day 9
Waning Gibbous
94% lit
Scorpio 18 deg
Age 17d
Day 10
Waning Gibbous
88% lit
Scorpio 19 deg
Age 18.2d
Day 11
Waning Gibbous
79% lit
Scorpio 20 deg
Age 19.3d
Day 12
Last Quarter
68% lit
Scorpio 21 deg
Age 20.4d
Day 13
Last Quarter
57% lit
Scorpio 22 deg
Age 21.5d
Day 14
Last Quarter
46% lit
Scorpio 23 deg
Age 22.5d
Day 15
Last Quarter
35% lit
Scorpio 24 deg
Age 23.6d
Day 16
Waning Crescent
25% lit
Scorpio 25 deg
Age 24.6d
Day 17
Waning Crescent
17% lit
Scorpio 26 deg
Age 25.6d
Day 18
Waning Crescent
10% lit
Scorpio 27 deg
Age 26.6d
Day 19
Waning Crescent
4% lit
Scorpio 28 deg
Age 27.5d
Day 20
New Moon
1% lit
Scorpio 29 deg
Age 28.5d
Day 21
New Moon
0% lit
Scorpio 30 deg
Age 29.4d
Day 22
New Moon
1% lit
Sagittarius 1 deg
Age 0.8d
Day 23
New Moon
3% lit
Sagittarius 2 deg
Age 1.7d
Day 24
Waxing Crescent
7% lit
Sagittarius 3 deg
Age 2.6d
Day 25
Waxing Crescent
13% lit
Sagittarius 4 deg
Age 3.5d
Day 26
Waxing Crescent
20% lit
Sagittarius 5 deg
Age 4.4d
Day 27
Waxing Crescent
28% lit
Sagittarius 6 deg
Age 5.3d
Day 28
First Quarter
37% lit
Sagittarius 7 deg
Age 6.2d
Day 29
First Quarter
47% lit
Sagittarius 7 deg
Age 7.1d
Day 30
First Quarter
57% lit
Sagittarius 8 deg
Age 8d
Day 31
First Quarter
67% lit
Sagittarius 9 deg
Age 9d