The Moon on this date
Moon on Friday, July 31, 1981
Waxing Crescent
0.3% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- NE
- Highest
- 67°
- Moonset
- W
60°30°
Horizon
6:51 AM
9:22 PM
67°
Key figures
- Illuminated
- 0.3%
- Age
- 0.5 days
- Distance
- 376,600 km
- Apparent size
- 31.7′
- Constellation
- Cancer
- Lunation number
- 725
Events on this date
No Moon or planet events on this date.
Exact values
For Jul 31, 12:00 PM, midday on this date.
| Elongation from the Sun | 6.48° |
|---|---|
| Phase angle | 173.39° |
| Illuminated fraction | 0.33% |
| Altitude / azimuth | 54.2° / 120.3° |
| Right ascension / declination | 9h 11m / 17.54° |
| Ecliptic longitude / latitude | 134.82° / 1.20° |
| Libration in longitude / latitude | 5.58° / -1.34° |
| Sub-solar longitude / latitude | 178.60° / 0.22° |
| Position angle of the axis | 18.7° |
| Position angle of the bright limb | 279.7° |
| Apparent magnitude | -4.6 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.