Astronomy
Moon Phases for May 1991
Primary lunar phases are calculated for UTC. Local dates can shift near midnight.
| Phase | UTC date | UTC time | Source |
|---|---|---|---|
| Last Quarter | 1991-05-07 | 00:46 | astronomy-engine@2.1.19 |
| New Moon | 1991-05-14 | 04:36 | astronomy-engine@2.1.19 |
| First Quarter | 1991-05-20 | 19:46 | astronomy-engine@2.1.19 |
| Full Moon | 1991-05-28 | 11:37 | astronomy-engine@2.1.19 |