The Moon on this date
Moon on Saturday, December 20, 1947
First Quarter
49.8% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 46°
- Moonset
- –
60°30°
Horizon
12:54 PM
46°
Key figures
- Illuminated
- 49.8%
- Age
- 8.2 days
- Distance
- 397,000 km
- Apparent size
- 30.1′
- Constellation
- Pisces
- Lunation number
- 309
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 | 89.65° |
|---|---|
| Phase angle | 90.19° |
| Illuminated fraction | 49.83% |
| Altitude / azimuth | -10.4° / 87.9° |
| Right ascension / declination | 23h 58m / -4.86° |
| Ecliptic longitude / latitude | 357.63° / -4.27° |
| Libration in longitude / latitude | -5.51° / 6.35° |
| Sub-solar longitude / latitude | 84.17° / -0.90° |
| Position angle of the axis | 337.4° |
| Position angle of the bright limb | 246.4° |
| 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.