Waning · 6.1% lit · ♏︎ Scorpio 27°
Moon age
27.2days
Moon phase on December 17, 2025Waning Crescent
On Wednesday, December 17, 2025, the Moon was a Waning Crescent: 6.1% of its visible face lit, 27.2 days after the new moon and shrinking each night.
6.1%Illumination at noon UTC
27.2 dMoon age
406,288 km252,455 mi from Earth
♏︎ ScorpioMoon sign (28°)
29.4′Apparent size (arcmin)
WaningLit on the left (N. Hemisphere)
Nearest moon phases
The nearest full moon to December 17, 2025 is on Thursday, December 4, 2025 at 23:14 UTC, 13 days earlier, and the nearest new moon is on Saturday, December 20, 2025 at 01:44 UTC, 3 days later.
| Phase | Date | Time (UTC) |
|---|---|---|
| Last Quarter (before) | Thursday, December 11, 2025 | 20:52 |
| New Moon (after) | Saturday, December 20, 2025 | 01:44 |
The Moon around December 17
More about this date
Wednesday, December 17, 2025 falls in the lunar cycle that runs from the new moon of November 20, 2025 to the new moon of December 20, 2025, a cycle of 29.79 days.
- See every phase of the month in the moon phases in December 2025, or the whole moon calendar 2025.
- The same date one year apart: 2024 · 2026.
- 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.