Astronomy
Moon Phases for December 2121
Primary lunar phases are calculated for UTC. Local dates can shift near midnight.
| Phase | UTC date | UTC time | Source |
|---|---|---|---|
| Last Quarter | 2121-12-01 | 23:39 | astronomy-engine@2.1.19 |
| New Moon | 2121-12-10 | 00:47 | astronomy-engine@2.1.19 |
| First Quarter | 2121-12-17 | 04:05 | astronomy-engine@2.1.19 |
| Full Moon | 2121-12-24 | 01:05 | astronomy-engine@2.1.19 |
| Last Quarter | 2121-12-31 | 21:17 | astronomy-engine@2.1.19 |