The Moon on this date
Moon on Friday, December 20, 2171
Last Quarter
45.3% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 52°
- Moonset
- W
60°30°
Horizon
12:20 AM
12:59 PM
52°
Key figures
- Illuminated
- 45.3%
- Age
- 23.2 days
- Distance
- 376,000 km
- Apparent size
- 31.8′
- Constellation
- Virgo
- Lunation number
- 3079
Events on this date
-
Last Quarter
Half of the disc is lit. The Moon rises around midnight and is up through the morning.
-
Moon and Mars close together
They pass 0.7° apart in the sky.
Exact values
For Dec 20, 12:00 PM, midday on this date.
| Elongation from the Sun | 275.55° |
|---|---|
| Phase angle | 95.39° |
| Illuminated fraction | 45.30% |
| Altitude / azimuth | 10.5° / 261.9° |
| Right ascension / declination | 12h 20m / 1.15° |
| Ecliptic longitude / latitude | 184.17° / 3.05° |
| Libration in longitude / latitude | -6.77° / -3.10° |
| Sub-solar longitude / latitude | -101.82° / -1.16° |
| Position angle of the axis | 22.1° |
| Position angle of the bright limb | 113.6° |
| Apparent magnitude | -10.0 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.