Waning · 31.6% lit · ♏︎ Scorpio 01°
Moon age
23.6days
Moon phase on December 31, 1999Waning Crescent
On Friday, December 31, 1999, the Moon was a Waning Crescent: 31.6% of its visible face lit, 23.6 days after the new moon and shrinking each night.
31.6%Illumination at noon UTC
23.6 dMoon age
399,145 km248,017 mi from Earth
♏︎ ScorpioMoon sign (1°)
29.9′Apparent size (arcmin)
WaningLit on the left (N. Hemisphere)
Nearest moon phases
The nearest full moon to December 31, 1999 is on Wednesday, December 22, 1999 at 17:31 UTC, 9 days earlier, and the nearest new moon is on Thursday, January 6, 2000 at 18:14 UTC, 6 days later.
| Phase | Date | Time (UTC) |
|---|---|---|
| Last Quarter (before) | Wednesday, December 29, 1999 | 14:05 |
| New Moon (after) | Thursday, January 6, 2000 | 18:14 |
The Moon around December 31
More about this date
Friday, December 31, 1999 falls in the lunar cycle that runs from the new moon of December 7, 1999 to the new moon of January 6, 2000, a cycle of 29.82 days.
- See every phase of the month in the moon phases in December 1999, or the whole moon calendar 1999.
- The same date one year apart: 1998 · 2000.
- 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.