The Moon on this date
Moon on Wednesday, January 31, 2103
Last Quarter
47.0% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- SE
- Highest
- 29°
- Moonset
- SW
60°30°
Horizon
1:20 AM
11:17 AM
29°
Key figures
- Illuminated
- 47.0%
- Age
- 23.0 days
- Distance
- 386,100 km
- Apparent size
- 30.9′
- Constellation
- Libra
- Lunation number
- 2227
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 | 273.58° |
|---|---|
| Phase angle | 93.41° |
| Illuminated fraction | 47.02% |
| Altitude / azimuth | -7.5° / 248.6° |
| Right ascension / declination | 14h 43m / -20.89° |
| Ecliptic longitude / latitude | 224.72° / -4.87° |
| Libration in longitude / latitude | -8.15° / 7.09° |
| Sub-solar longitude / latitude | -101.15° / 0.51° |
| Position angle of the axis | 18.4° |
| Position angle of the bright limb | 107.5° |
| 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.