Waxing · 55.6% lit · ♈︎ Aries 05°
First Quarter at
00:01UTC
Moon phase on December 21, 2031First Quarter
On Sunday, December 21, 2031, the Moon will be a First Quarter: 55.6% of its visible face lit, 7.1 days after the new moon and growing each night. The exact First Quarter happens at .
55.6%Illumination at noon UTC
7.1 dMoon age
378,652 km235,283 mi from Earth
♈︎ AriesMoon sign (6°)
31.5′Apparent size (arcmin)
WaxingLit on the right (N. Hemisphere)
Nearest moon phases
The nearest full moon to December 21, 2031 is on Sunday, December 28, 2031 at 17:33 UTC, 7 days later, and the nearest new moon is on Sunday, December 14, 2031 at 09:06 UTC, 7 days earlier.
| Phase | Date | Time (UTC) |
|---|---|---|
| New Moon (before) | Sunday, December 14, 2031 | 09:06 |
| First Quarter (this day) | Sunday, December 21, 2031 | 00:01 |
| Full Moon (after) | Sunday, December 28, 2031 | 17:33 |
The Moon around December 21
More about this date
Sunday, December 21, 2031 falls in the lunar cycle that runs from the new moon of December 14, 2031 to the new moon of January 12, 2032, a cycle of 29.46 days.
- See every phase of the month in the moon phases in December 2031, or the whole moon calendar 2031.
- The same date one year apart: 2030 · 2032.
- Born on this day? The moon phase on your birthday tool adds your birth time and your moon sign.
- Phases change by time zone: this page uses Coordinated Universal Time (UTC). Learn how to read the phases of the moon.