The Moon on this date
Moon on Saturday, December 20, 2031
First Quarter
46.9% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 53°
- Moonset
- –
60°30°
Horizon
12:05 PM
53°
Key figures
- Illuminated
- 46.9%
- Age
- 6.3 days
- Distance
- 375,000 km
- Apparent size
- 31.9′
- Constellation
- Pisces
- Lunation number
- 1348
Events on this date
-
First Quarter
Half of the disc is lit. The Moon is high at sunset and sets around midnight.
Exact values
For Dec 20, 12:00 PM, midday on this date.
| Elongation from the Sun | 86.28° |
|---|---|
| Phase angle | 93.56° |
| Illuminated fraction | 46.89% |
| Altitude / azimuth | -1.2° / 87.0° |
| Right ascension / declination | 23h 35m / 1.79° |
| Ecliptic longitude / latitude | 354.89° / 4.16° |
| Libration in longitude / latitude | 6.73° / -4.46° |
| Sub-solar longitude / latitude | 99.78° / 1.01° |
| Position angle of the axis | 335.7° |
| Position angle of the bright limb | 246.5° |
| Apparent magnitude | -10.1 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.