The Moon on this date
Moon on Tuesday, January 31, 1978
Last Quarter
53.3% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 38°
- Moonset
- W
60°30°
Horizon
12:26 AM
11:33 AM
38°
Key figures
- Illuminated
- 53.3%
- Age
- 22.5 days
- Distance
- 376,600 km
- Apparent size
- 31.7′
- Constellation
- Libra
- Lunation number
- 681
Events on this date
-
Last Quarter
Half of the disc is lit. The Moon rises around midnight and is up through the morning.
Exact values
For Jan 31, 12:00 PM, midday on this date.
| Elongation from the Sun | 266.38° |
|---|---|
| Phase angle | 86.24° |
| Illuminated fraction | 53.28% |
| Altitude / azimuth | -5.0° / 258.6° |
| Right ascension / declination | 14h 25m / -11.68° |
| Ecliptic longitude / latitude | 217.86° / 2.59° |
| Libration in longitude / latitude | -6.73° / -2.47° |
| Sub-solar longitude / latitude | -92.41° / 1.28° |
| Position angle of the axis | 20.2° |
| Position angle of the bright limb | 108.8° |
| Apparent magnitude | -10.3 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.