The Moon on this date
Moon on Wednesday, January 31, 1940
Last Quarter
49.1% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 36°
- Moonset
- W
60°30°
Horizon
12:52 AM
11:43 AM
36°
Key figures
- Illuminated
- 49.1%
- Age
- 22.1 days
- Distance
- 377,000 km
- Apparent size
- 31.7′
- Constellation
- Libra
- Lunation number
- 211
Events on this date
-
Last Quarter
Half of the disc is lit. The Moon rises around midnight and is up through the morning.
-
Mercury behind the Sun
On the far side of the Sun and lost in its glare.
Exact values
For Jan 31, 12:00 PM, midday on this date.
| Elongation from the Sun | 271.15° |
|---|---|
| Phase angle | 91.01° |
| Illuminated fraction | 49.12% |
| Altitude / azimuth | -3.1° / 254.2° |
| Right ascension / declination | 14h 40m / -13.84° |
| Ecliptic longitude / latitude | 221.84° / 1.63° |
| Libration in longitude / latitude | 5.67° / -1.29° |
| Sub-solar longitude / latitude | -84.81° / 1.45° |
| Position angle of the axis | 19.4° |
| Position angle of the bright limb | 108.0° |
| 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.