Waxing · 0.5% lit · ♑︎ Capricorn 16°
Moon age
30.0days
Moon phase on December 31, 2100Waxing Crescent
On Friday, December 31, 2100, the Moon will be a Waxing Crescent: 0.5% of its visible face lit, 30.0 days after the new moon and growing each night.
0.5%Illumination at noon UTC
30.0 dMoon age
365,572 km227,156 mi from Earth
♑︎ CapricornMoon sign (17°)
32.7′Apparent size (arcmin)
WaxingLit on the right (N. Hemisphere)
Nearest moon phases
The nearest full moon to December 31, 2100 is on Thursday, December 16, 2100 at 17:00 UTC, 15 days earlier, and the nearest new moon is on Thursday, December 30, 2100 at 23:56 UTC, 1 day earlier.
| Phase | Date | Time (UTC) |
|---|---|---|
| New Moon (before) | Thursday, December 30, 2100 | 23:56 |
| First Quarter (after) | Friday, January 7, 2101 | 07:33 |
The Moon around December 31
More about this date
Friday, December 31, 2100 falls in the lunar cycle that runs from the new moon of December 30, 2100 to the new moon of January 29, 2101, a cycle of 29.52 days.
- See every phase of the month in the moon phases in December 2100, or the whole moon calendar 2100.
- The same date one year apart: 2099 · 2101.
- 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.