Waxing · 96.0% lit · ♊︎ Gemini 16°
Moon age
12.1days
Moon phase on December 31, 1979Waxing Gibbous
On Monday, December 31, 1979, the Moon was a Waxing Gibbous: 96.0% of its visible face lit, 12.1 days after the new moon and growing each night.
96.0%Illumination at noon UTC
12.1 dMoon age
383,351 km238,203 mi from Earth
♊︎ GeminiMoon sign (17°)
31.2′Apparent size (arcmin)
WaxingLit on the right (N. Hemisphere)
Nearest moon phases
The nearest full moon to December 31, 1979 is on Wednesday, January 2, 1980 at 09:02 UTC, 2 days later, and the nearest new moon is on Wednesday, December 19, 1979 at 08:24 UTC, 12 days earlier.
| Phase | Date | Time (UTC) |
|---|---|---|
| First Quarter (before) | Wednesday, December 26, 1979 | 05:11 |
| Full Moon (after) | Wednesday, January 2, 1980 | 09:02 |
The Moon around December 31
More about this date
Monday, December 31, 1979 falls in the lunar cycle that runs from the new moon of December 19, 1979 to the new moon of January 17, 1980, a cycle of 29.54 days.
- See every phase of the month in the moon phases in December 1979, or the whole moon calendar 1979.
- The same date one year apart: 1978 · 1980.
- 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.