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Moon calendar · calculated, not copied

Moon Calendar for September 2029

Every phase of September 2029 day by day, with the exact moment of each new and full moon, the sign the Moon is travelling through, and the void-of-course windows in between.

🕓 Times shown in UTC. We calculate in UTC; your browser converts.

New moon and full moon in September 2029

Moon phases day by day

Each row is read at 12:00 UTC on that date — a calendar day has one icon, but the Moon moves through it, so a day near a phase change can read either way by a few hours. 16 of 30 days carry a void-of-course window; they are marked in the last column and listed in full below.

Moon phase, illumination, Moon sign and void-of-course days for September 2029
Day Phase Lit Moon in Void
1 Sat Last Quarter 47% Gemini —
2 Sun Last Quarter 37% Gemini void
3 Mon Waning Crescent 28% Cancer —
4 Tue Waning Crescent 19% Cancer void
5 Wed Waning Crescent 11% Leo void
6 Thu Waning Crescent 5% Leo —
7 Fri New Moon 1% Virgo void
8 Sat New Moon 0% Virgo —
9 Sun New Moon 2% Libra void
10 Mon Waxing Crescent 6% Libra —
11 Tue Waxing Crescent 13% Scorpio void
12 Wed Waxing Crescent 22% Scorpio —
13 Thu First Quarter 33% Sagittarius void
14 Fri First Quarter 44% Sagittarius —
15 Sat First Quarter 55% Sagittarius void
16 Sun First Quarter 66% Capricorn —
17 Mon Waxing Gibbous 75% Capricorn void
18 Tue Waxing Gibbous 84% Aquarius —
19 Wed Waxing Gibbous 90% Aquarius —
20 Thu Waxing Gibbous 95% Pisces void
21 Fri Full Moon 98% Pisces —
22 Sat Full Moon 100% Pisces void
23 Sun Full Moon 99% Aries —
24 Mon Full Moon 97% Aries void
25 Tue Waning Gibbous 93% Taurus void
26 Wed Waning Gibbous 87% Taurus —
27 Thu Waning Gibbous 80% Taurus void
28 Fri Waning Gibbous 72% Gemini —
29 Sat Last Quarter 63% Gemini void
30 Sun Last Quarter 54% Cancer void

Void of course Moon in September 2029

Each window runs from the Moon's last exact aspect to a planet until it crosses into the next sign. Check the Moon right now if that is the question you actually came with.

Void-of-course Moon windows in September 2029
From Until Moon in Last aspect
Gemini Moon sextile Jupiter
Cancer Moon square Jupiter
Leo Moon sextile Jupiter
Virgo Moon conjunction Mercury
Libra Moon conjunction Jupiter
Scorpio Moon sextile Mercury
Sagittarius Moon sextile Jupiter
Capricorn Moon square Jupiter
Aquarius Moon sextile Jupiter
Pisces Moon conjunction the Sun
Aries Moon sextile Uranus
Taurus Moon conjunction Saturn
Gemini Moon square Mercury

How to read this month

A lunar month is about 29.5 days, so it never lines up with a calendar month. That is why September 2029 can hold two new moons or none at all, and why the same phase name covers several days in a row: the eight names — new, waxing crescent, first quarter, waxing gibbous, full, waning gibbous, last quarter, waning crescent — are 45-degree slices of the Sun–Moon angle, not instants. The two moments that are instants, the new moon and the full moon, are listed at the top of the page to the minute.

The Moon in column is the zodiac sign the Moon is crossing, which it changes roughly every two and a half days — a different thing from your own Moon sign, which is fixed at birth. The void column marks the stretch between the Moon's last exact aspect and its next sign change. In traditional practice that is a window for finishing and resting rather than launching; it describes timing, not outcomes, and nothing on this page predicts events.

Where the numbers come from

Positions are computed with astronomy-engine, the same engine behind our birth chart calculator, checked against Swiss Ephemeris to within a fraction of an arc minute. The new and full moon moments were verified against AstroPixels (Fred Espenak, NASA/GSFC) and agree to better than two minutes. If you want a month to the second, cross-check a dedicated astronomy source such as timeanddate.com.

Take it further

This calendar is the sky. The tools below put it against your own chart — all free, no sign-up.

Lunar guide collection

Moon Rituals & Lunar Living

The lunar cycle explained, plus simple rituals for the new moon, the full moon and eclipse season.

$19 8 guides · 91 pages · PDF

See what's inside — $19

Frequently asked questions

When is the full moon in September 2029?

22 Sep 2029 at 16:29 UTC, with the Moon in Pisces. The table above converts that moment to your own time zone, which can move it to the day before or after.

When is the new moon in September 2029?

8 Sep 2029 at 10:44 UTC, with the Moon in Virgo. Times on this page are shown in your browser's time zone once the page loads.

Which time zone are these times in?

They are calculated in UTC and then converted by your browser to whichever time zone your device is set to — the page names it under the heading. A lunation is a single moment for the whole planet, so only the clock reading changes, never the event.

What does "void of course" mean in this table?

The Moon is void of course between its last exact aspect to a planet and the moment it enters the next sign. Traditional practice treats it as a poor window for starting something you want to stick, and a fine one for rest, tidying and finishing off. It is a timing convention, not a forecast of events.

How accurate are these dates?

They come from the same ephemeris engine as our birth chart calculator (astronomy-engine), not from a copied table. New and full moon moments were checked against AstroPixels (Fred Espenak, NASA/GSFC) and agree to well under two minutes.

Esotorium reports and tools are for self-reflection and entertainment. They are not medical, psychological, financial or legal advice, and they do not predict events.