Astronomy
Moon Phases for September 2025
Primary lunar phases are calculated for UTC. Local dates can shift near midnight.
| Phase | UTC date | UTC time | Source |
|---|---|---|---|
| Full Moon | 2025-09-07 | 18:09 | astronomy-engine@2.1.19 |
| Last Quarter | 2025-09-14 | 10:33 | astronomy-engine@2.1.19 |
| New Moon | 2025-09-21 | 19:54 | astronomy-engine@2.1.19 |
| First Quarter | 2025-09-29 | 23:54 | astronomy-engine@2.1.19 |