The Moon on this date
Moon on Friday, January 31, 2081
Last Quarter
51.7% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 32°
- Moonset
- SW
60°30°
Horizon
12:48 AM
11:06 AM
32°
Key figures
- Illuminated
- 51.7%
- Age
- 21.7 days
- Distance
- 381,900 km
- Apparent size
- 31.3′
- Constellation
- Virgo
- Lunation number
- 1955
Events on this date
-
Last Quarter
Half of the disc is lit. The Moon rises around midnight and is up through the morning.
-
Venus at its brightest
Shines at magnitude -4.9, as bright as it gets this time around.
Exact values
For Jan 31, 12:00 PM, midday on this date.
| Elongation from the Sun | 268.15° |
|---|---|
| Phase angle | 88.01° |
| Illuminated fraction | 51.74% |
| Altitude / azimuth | -9.6° / 253.5° |
| Right ascension / declination | 14h 28m / -18.51° |
| Ecliptic longitude / latitude | 220.64° / -3.69° |
| Libration in longitude / latitude | 6.79° / 5.56° |
| Sub-solar longitude / latitude | -80.61° / -1.04° |
| Position angle of the axis | 17.7° |
| Position angle of the bright limb | 109.0° |
| Apparent magnitude | -10.2 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.