Moon calendar, September 2025
Full Moon on 7 September at 18:08, in Pisces. New Moon on 21 September at 19:54, in Virgo.
The Moon changes sign 13 times this month and is void of course before each change.
| Date | Moon sign | Phase | Void of course |
|---|---|---|---|
| Mon 1 | Sagittarius | ||
| Tue 2 | Sagittarius, enters Capricorn at 01:44 | 01:38 to 01:44 | |
| Wed 3 | Capricorn | ||
| Thu 4 | Capricorn, enters Aquarius at 10:31 | 10:07 to 10:31 | |
| Fri 5 | Aquarius | from 20:51 | |
| Sat 6 | Aquarius, enters Pisces at 15:54 | until 15:54 | |
| Sun 7 | Pisces | Full Moon at 18:08 | |
| Mon 8 | Pisces, enters Aries at 18:37 | 17:44 to 18:37 | |
| Tue 9 | Aries | ||
| Wed 10 | Aries, enters Taurus at 20:03 | 06:53 to 20:03 | |
| Thu 11 | Taurus | ||
| Fri 12 | Taurus, enters Gemini at 21:38 | 20:13 to 21:38 | |
| Sat 13 | Gemini | ||
| Sun 14 | Gemini | Last quarter at 10:32 | from 22:46 |
| Mon 15 | Gemini, enters Cancer at 00:30 | until 00:30 | |
| Tue 16 | Cancer | ||
| Wed 17 | Cancer, enters Leo at 05:19 | 03:13 to 05:19 | |
| Thu 18 | Leo | ||
| Fri 19 | Leo, enters Virgo at 12:23 | 12:21 to 12:23 | |
| Sat 20 | Virgo | ||
| Sun 21 | Virgo, enters Libra at 21:40 | New Moon at 19:54 | 19:54 to 21:40 |
| Mon 22 | Libra | ||
| Tue 23 | Libra | from 16:01 | |
| Wed 24 | Libra, enters Scorpio at 09:00 | until 09:00 | |
| Thu 25 | Scorpio | ||
| Fri 26 | Scorpio, enters Sagittarius at 21:37 | 17:44 to 21:37 | |
| Sat 27 | Sagittarius | ||
| Sun 28 | Sagittarius | ||
| Mon 29 | Sagittarius, enters Capricorn at 09:54 | First quarter at 23:53 | 05:43 to 09:54 |
| Tue 30 | Capricorn |
Tropical zodiac · geocentric, apparent positions · Swiss Ephemeris, checked against NASA JPL DE440 · void of course: last exact conjunction, sextile, square, trine or opposition to the Sun and Mercury to Pluto · times in UTC
Go deeper: phases, signs and void of course
Phases. New Moon is the moment the Moon passes the Sun in longitude; first quarter, full and last quarter are 90°, 180° and 270° past it. Each happens at one instant worldwide; only the clock time differs by place.
Signs. The Moon crosses a sign in about two and a half days. These are tropical signs; in a sidereal (Vedic) zodiac the Moon reaches each sign about 24° later, nearly two days after the times shown.
Void of course. From the Moon’s last exact major aspect in a sign until it enters the next sign. William Lilly, in the 17th century, counted only the Sun and the five visible planets; most modern calendars add Uranus, Neptune and Pluto, so their void periods are often shorter. Switch between the two above.