Moon calendar, May 2021
New Moon on 11 May at 18:59, in Taurus. Full Moon on 26 May at 11:13, in Sagittarius.
The Moon changes sign 13 times this month and is void of course before each change.
| Date | Moon sign | Phase | Void of course |
|---|---|---|---|
| Sat 1 | Capricorn | ||
| Sun 2 | Capricorn, enters Aquarius at 19:30 | 14:37 to 19:30 | |
| Mon 3 | Aquarius | Last quarter at 19:50 | |
| Tue 4 | Aquarius | ||
| Wed 5 | Aquarius, enters Pisces at 02:08 | 00:05 to 02:08 | |
| Thu 6 | Pisces | ||
| Fri 7 | Pisces, enters Aries at 11:52 | 07:36 to 11:52 | |
| Sat 8 | Aries | ||
| Sun 9 | Aries, enters Taurus at 23:46 | 22:50 to 23:46 | |
| Mon 10 | Taurus | ||
| Tue 11 | Taurus | New Moon at 18:59 | |
| Wed 12 | Taurus, enters Gemini at 12:42 | 12:23 to 12:42 | |
| Thu 13 | Gemini | ||
| Fri 14 | Gemini | from 10:50 | |
| Sat 15 | Gemini, enters Cancer at 01:30 | until 01:30 | |
| Sun 16 | Cancer | ||
| Mon 17 | Cancer, enters Leo at 12:43 | 06:22 to 12:43 | |
| Tue 18 | Leo | ||
| Wed 19 | Leo, enters Virgo at 20:59 | First quarter at 19:12 | 19:12 to 20:59 |
| Thu 20 | Virgo | ||
| Fri 21 | Virgo | from 19:55 | |
| Sat 22 | Virgo, enters Libra at 01:35 | until 01:35 | |
| Sun 23 | Libra | from 21:36 | |
| Mon 24 | Libra, enters Scorpio at 03:00 | until 03:00 | |
| Tue 25 | Scorpio | from 21:19 | |
| Wed 26 | Scorpio, enters Sagittarius at 02:39 | Full Moon at 11:13 | until 02:39 |
| Thu 27 | Sagittarius | from 17:35 | |
| Fri 28 | Sagittarius, enters Capricorn at 02:23 | until 02:23 | |
| Sat 29 | Capricorn | from 22:14 | |
| Sun 30 | Capricorn, enters Aquarius at 04:04 | until 04:04 | |
| Mon 31 | Aquarius |
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.