The Moon on this date
Moon on Monday, January 31, 1921
Waning Crescent
41.5% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 33°
- Moonset
- W
60°30°
Horizon
1:41 AM
12:10 PM
33°
Key figures
- Illuminated
- 41.5%
- Age
- 22.5 days
- Distance
- 395,500 km
- Apparent size
- 30.2′
- Constellation
- Libra
- Lunation number
- -24
Events on this date
No Moon or planet events on this date.
Exact values
For Jan 31, 12:00 PM, midday on this date.
| Elongation from the Sun | 279.99° |
|---|---|
| Phase angle | 99.83° |
| Illuminated fraction | 41.46% |
| Altitude / azimuth | 1.4° / 246.6° |
| Right ascension / declination | 15h 17m / -16.40° |
| Ecliptic longitude / latitude | 231.30° / 1.75° |
| Libration in longitude / latitude | 6.16° / -1.52° |
| Sub-solar longitude / latitude | -93.16° / 1.51° |
| Position angle of the axis | 16.7° |
| Position angle of the bright limb | 105.4° |
| Apparent magnitude | -9.7 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.