Astronomy
Moon Phases for October 1991
Primary lunar phases are calculated for UTC. Local dates can shift near midnight.
| Phase | UTC date | UTC time | Source |
|---|---|---|---|
| Last Quarter | 1991-10-01 | 00:30 | astronomy-engine@2.1.19 |
| New Moon | 1991-10-07 | 21:39 | astronomy-engine@2.1.19 |
| First Quarter | 1991-10-15 | 17:33 | astronomy-engine@2.1.19 |
| Full Moon | 1991-10-23 | 11:08 | astronomy-engine@2.1.19 |
| Last Quarter | 1991-10-30 | 07:11 | astronomy-engine@2.1.19 |