Waning · 86.1% lit · ♌︎ Leo 10°
Moon age
18.2days
Moon phase on December 18, 1978Waning Gibbous
On Monday, December 18, 1978, the Moon was a Waning Gibbous: 86.1% of its visible face lit, 18.2 days after the new moon and shrinking each night.
86.1%Illumination at noon UTC
18.2 dMoon age
405,601 km252,029 mi from Earth
♌︎ LeoMoon sign (10°)
29.5′Apparent size (arcmin)
WaningLit on the left (N. Hemisphere)
Nearest moon phases
The nearest full moon to December 18, 1978 is on Thursday, December 14, 1978 at 12:31 UTC, 4 days earlier, and the nearest new moon is on Friday, December 29, 1978 at 19:36 UTC, 11 days later.
| Phase | Date | Time (UTC) |
|---|---|---|
| Full Moon (before) | Thursday, December 14, 1978 | 12:31 |
| Last Quarter (after) | Friday, December 22, 1978 | 17:42 |
The Moon around December 18
More about this date
Monday, December 18, 1978 falls in the lunar cycle that runs from the new moon of November 30, 1978 to the new moon of December 29, 1978, a cycle of 29.47 days.
- See every phase of the month in the moon phases in December 1978, or the whole moon calendar 1978.
- The same date one year apart: 1977 · 1979.
- 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.