Moon Phases May 1991
Last Quarter
7 May
New Moon
14 May
First Quarter
20 May
Full Moon
28 May
Moon phase day by day
| Day | Phase | Illumination |
|---|---|---|
| 1 | Waning Gibbous | 94% |
| 2 | Waning Gibbous | 88% |
| 3 | Waning Gibbous | 81% |
| 4 | Waning Gibbous | 74% |
| 5 | Last Quarter | 65% |
| 6 | Last Quarter | 55% |
| 7 | Last Quarter | 46% |
| 8 | Last Quarter | 36% |
| 9 | Waning Crescent | 26% |
| 10 | Waning Crescent | 18% |
| 11 | Waning Crescent | 10% |
| 12 | Waning Crescent | 4% |
| 13 | New Moon | 1% |
| 14 | New Moon | 0% |
| 15 | New Moon | 3% |
| 16 | Waxing Crescent | 8% |
| 17 | Waxing Crescent | 15% |
| 18 | Waxing Crescent | 25% |
| 19 | First Quarter | 35% |
| 20 | First Quarter | 46% |
| 21 | First Quarter | 57% |
| 22 | First Quarter | 68% |
| 23 | Waxing Gibbous | 77% |
| 24 | Waxing Gibbous | 85% |
| 25 | Waxing Gibbous | 91% |
| 26 | Waxing Gibbous | 96% |
| 27 | Full Moon | 99% |
| 28 | Full Moon | 100% |
| 29 | Full Moon | 99% |
| 30 | Full Moon | 96% |
| 31 | Waning Gibbous | 92% |
Illumination at noon (UTC) for each day.
Frequently asked questions
When is the full moon in May 1991?
The full moon in May 1991 is on 28 May.
When is the new moon in May 1991?
The new moon in May 1991 is on 14 May.