The Moon on this date
Moon on Monday, December 21, 1931
Waxing Gibbous
89.3% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- NE
- Highest
- 73°
- Moonset
- NW
60°30°
Horizon
2:29 PM
4:41 AM
73°
Key figures
- Illuminated
- 89.3%
- Age
- 12.3 days
- Distance
- 398,700 km
- Apparent size
- 30.0′
- Constellation
- Aries
- Lunation number
- 111
Events on this date
-
Mercury at inferior conjunction
Passes between Earth and the Sun and is lost in its glare.
Exact values
For Dec 21, 12:00 PM, midday on this date.
| Elongation from the Sun | 141.86° |
|---|---|
| Phase angle | 38.20° |
| Illuminated fraction | 89.29% |
| Altitude / azimuth | -21.1° / 33.8° |
| Right ascension / declination | 3h 09m / 21.62° |
| Ecliptic longitude / latitude | 50.74° / 3.82° |
| Libration in longitude / latitude | -3.11° / -4.18° |
| Sub-solar longitude / latitude | 34.81° / -1.57° |
| Position angle of the axis | 345.4° |
| Position angle of the bright limb | 258.2° |
| Apparent magnitude | -11.7 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.