Day by day
| Date | Moon sign | Phase | Light |
|---|---|---|---|
| 1 Tue | Taurus → Taurus | waning gibbous | 80% |
| 2 Wed | Taurus | waning gibbous | 70% |
| 3 Thu | Gemini → Gemini | last quarter | 59% |
| 4 Fri | Gemini | last quarter | 48% |
| 5 Sat | Gemini → Cancer | last quarter | 37% |
| 6 Sun | Cancer | waning crescent | 26% |
| 7 Mon | Cancer → Leo | waning crescent | 16% |
| 8 Tue | Leo | waning crescent | 9% |
| 9 Wed | Leo → Virgo | waning crescent | 3% |
| 10 Thu | Virgo | waning crescent | 1% |
| 11 Fri | Virgo → Libra | new moon | 0% |
| 12 Sat | Libra | waxing crescent | 2% |
| 13 Sun | Libra | waxing crescent | 6% |
| 14 Mon | Scorpio → Scorpio | waxing crescent | 12% |
| 15 Tue | Scorpio | waxing crescent | 20% |
| 16 Wed | Scorpio → Sagittarius | waxing crescent | 28% |
| 17 Thu | Sagittarius | first quarter | 37% |
| 18 Fri | Sagittarius | first quarter | 47% |
| 19 Sat | Capricorn → Capricorn | first quarter | 56% |
| 20 Sun | Capricorn | first quarter | 65% |
| 21 Mon | Capricorn → Aquarius | waxing gibbous | 74% |
| 22 Tue | Aquarius | waxing gibbous | 82% |
| 23 Wed | Aquarius | waxing gibbous | 89% |
| 24 Thu | Pisces → Pisces | waxing gibbous | 95% |
| 25 Fri | Pisces | waxing gibbous | 98% |
| 26 Sat | Aries → Aries | full moon | 100% |
| 27 Sun | Aries | waning gibbous | 99% |
| 28 Mon | Aries → Taurus | waning gibbous | 96% |
| 29 Tue | Taurus | waning gibbous | 90% |
| 30 Wed | Taurus → Gemini | waning gibbous | 83% |
Key days of the month
The equinox, and a trick with moonrise
On the 22nd or 23rd the Sun crosses the celestial equator and the nights take the lead. Daylight now drains at four minutes a day, a rate matched only in March. September also hands over the year's one genuinely odd sight: the full moon nearest the equinox rises at almost the same time on several evenings running, twenty minutes apart instead of the usual fifty. Nothing mystical about it - the ecliptic simply lies at a shallow angle to the horizon at this time of year.
The Harvest Moon
Only one full moon in the year is named for an event rather than a month, and this is it. The Harvest Moon is whichever full moon falls closest to the September equinox, which is why it occasionally slides into early October and carries the name off with it. Farmers valued it for the reason above: several evenings of light arriving straight after sunset, enough to keep bringing the crop in. When the name travels, September keeps the Corn Moon.
September questions
Why does it look orange, people write. Because a rising moon is seen through a long slab of atmosphere that scatters the blue away - the same physics as a red sunset, and nothing to do with the harvest. Then the practical ones: garlic going in, houseplants being repotted, and whether the calendar can name a good day for it. It can name the phase and the sign. The rest is tradition, and we would rather say so than sell you a list.
The Moon’s position is astronomy; the beliefs and interpretations are tradition, not scientific fact.
A personal day, not just the shared backdrop
Everything on this page is shared. The Moon occupies one sign for the whole planet at a time, which is exactly what makes a calendar possible - and exactly where a calendar stops. A birth date narrows the same day down to one person, and that is what Luna reads aloud in the app: the arcana of the day, the mood, and a single concrete step.
Open Luna