Field notes · UTC · approximate astronomy
September
2029 lunar calendar
A month-at-a-glance record of the Moon’s changing light and approximate tropical-zodiac position. Use it to observe a cycle—not to outsource a decision.
- 5
- principal phases
- 13
- sign changes
- UTC
- one declared clock
01 · Almanac
September 2029 at noon UTC
The daily phase, illumination, lunar day, and sign are noon snapshots. Marked times below are approximate UTC boundary estimates.
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Gemini
Last Quarter · 46%
Cancer
Waning Crescent · 26%
Leo
Waning Crescent · 10%
Virgo
New Moon · 1%
Libra
New Moon · 1%
Scorpio
Waxing Crescent · 17%
Sagittarius
First Quarter · 36%
Capricorn
First Quarter · 57%
Aquarius
Waxing Gibbous · 77%
Pisces
Waxing Gibbous · 92%
Aries
Full Moon · 100%
Taurus
Waning Gibbous · 94%
02 · Boundary ledger
When the month turns
Times are written in UTC so the reference stays reproducible. Your local calendar app may display them in your device time zone.
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01
Lunar phase
Last Quarter
-
02
Lunar phase
New Moon
-
03
Lunar phase
First Quarter
-
04
Lunar phase
Full Moon
-
05
Lunar phase
Last Quarter
-
06
Moon sign
Moon enters Cancer
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07
Moon sign
Moon enters Leo
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08
Moon sign
Moon enters Virgo
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09
Moon sign
Moon enters Libra
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10
Moon sign
Moon enters Scorpio
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11
Moon sign
Moon enters Sagittarius
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12
Moon sign
Moon enters Capricorn
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13
Moon sign
Moon enters Aquarius
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14
Moon sign
Moon enters Pisces
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15
Moon sign
Moon enters Aries
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16
Moon sign
Moon enters Taurus
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17
Moon sign
Moon enters Gemini
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18
Moon sign
Moon enters Cancer
03 · Read the fine print
An honest compact calendar
Phase dates use a mean 29.530588853-day synodic cycle. Moon positions use a compact low-order geocentric longitude estimate sampled and refined in UTC. Dates and times are approximate; near a boundary, use a current high-precision ephemeris.
No planetary retrograde dates are shown because this dependency-free calendar does not have the high-precision planetary ephemeris required to publish them responsibly.
What the downloaded calendar contains
The .ics file contains only this month’s principal lunar phases and approximate Moon-sign changes. Each event repeats the approximation note. It contains no account, birth data, note, or tracking identifier.