Astronomy
Moon Phases for December 2171
Primary lunar phases are calculated for UTC. Local dates can shift near midnight.
| Phase | UTC date | UTC time | Source |
|---|---|---|---|
| First Quarter | 2171-12-04 | 07:02 | astronomy-engine@2.1.19 |
| Full Moon | 2171-12-12 | 11:31 | astronomy-engine@2.1.19 |
| Last Quarter | 2171-12-20 | 06:25 | astronomy-engine@2.1.19 |
| New Moon | 2171-12-26 | 22:10 | astronomy-engine@2.1.19 |