Today's exact layer
Moon calendarOctober 2021
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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October 2021 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
Switch between phase, Moon sign, and planning mode to see how the lunar month changes day by day.
Oct 1
Waning Crescent
30% lit, Moon in Aries 8 deg.
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Sign changes this month: Oct 1 Aries, Oct 23 Taurus.
DAILY LUNAR DATA
October 2021 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
30% lit
Aries 8 deg
Age 24.1d
Day 2
Waning Crescent
21% lit
Aries 9 deg
Age 25d
Day 3
Waning Crescent
13% lit
Aries 10 deg
Age 26d
Day 4
Waning Crescent
7% lit
Aries 11 deg
Age 27.1d
Day 5
New Moon
2% lit
Aries 12 deg
Age 28.1d
Day 6
New Moon
0% lit
Aries 13 deg
Age 29.2d
Day 7
New Moon
1% lit
Aries 14 deg
Age 0.8d
Day 8
Waxing Crescent
4% lit
Aries 15 deg
Age 1.9d
Day 9
Waxing Crescent
10% lit
Aries 16 deg
Age 3d
Day 10
Waxing Crescent
18% lit
Aries 17 deg
Age 4.1d
Day 11
Waxing Crescent
28% lit
Aries 18 deg
Age 5.3d
Day 12
First Quarter
39% lit
Aries 19 deg
Age 6.3d
Day 13
First Quarter
50% lit
Aries 20 deg
Age 7.4d
Day 14
First Quarter
61% lit
Aries 21 deg
Age 8.5d
Day 15
Waxing Gibbous
72% lit
Aries 22 deg
Age 9.5d
Day 16
Waxing Gibbous
81% lit
Aries 23 deg
Age 10.5d
Day 17
Waxing Gibbous
88% lit
Aries 24 deg
Age 11.5d
Day 18
Waxing Gibbous
94% lit
Aries 25 deg
Age 12.5d
Day 19
Full Moon
98% lit
Aries 26 deg
Age 13.4d
Day 20
Full Moon
100% lit
Aries 27 deg
Age 14.3d
Day 21
Full Moon
100% lit
Aries 28 deg
Age 15.3d
Day 22
Full Moon
98% lit
Aries 29 deg
Age 16.2d
Day 23
Waning Gibbous
94% lit
Taurus 0 deg
Age 17.1d
Day 24
Waning Gibbous
89% lit
Taurus 1 deg
Age 18d
Day 25
Waning Gibbous
82% lit
Taurus 2 deg
Age 18.8d
Day 26
Waning Gibbous
75% lit
Taurus 3 deg
Age 19.7d
Day 27
Last Quarter
66% lit
Taurus 4 deg
Age 20.6d
Day 28
Last Quarter
57% lit
Taurus 5 deg
Age 21.5d
Day 29
Last Quarter
47% lit
Taurus 6 deg
Age 22.5d
Day 30
Last Quarter
37% lit
Taurus 7 deg
Age 23.4d
Day 31
Waning Crescent
27% lit
Taurus 8 deg
Age 24.4d