December 2025 Moon Phases. See here the moon phases calendar for december 2025, the full moon, new moon for december 2025 including exact local times. You can see that for every day of december 2025, there will be a different moon phase displayed.
For optimal auroral viewing, the moon may not disturb because light from the moon can be very bright which causes faint aurora to be barely visible, especially when the chances for auroral. Find out moon phases for december, 2025.