Astronomy
Moon Phases for May 2031
Primary lunar phases are calculated for UTC. Local dates can shift near midnight.
| Phase | UTC date | UTC time | Source |
|---|---|---|---|
| Full Moon | 2031-05-07 | 03:40 | astronomy-engine@2.1.19 |
| Last Quarter | 2031-05-13 | 19:07 | astronomy-engine@2.1.19 |
| New Moon | 2031-05-21 | 07:17 | astronomy-engine@2.1.19 |
| First Quarter | 2031-05-29 | 11:20 | astronomy-engine@2.1.19 |