The Moon on this date
Moon on Sunday, March 31, 1991
Waning Gibbous
97.7% 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
8:47 PM
6:32 AM
36°
Key figures
- Illuminated
- 97.7%
- Age
- 15.4 days
- Distance
- 391,400 km
- Apparent size
- 30.5′
- Constellation
- Virgo
- Lunation number
- 844
Events on this date
No Moon or planet events on this date.
Exact values
For Mar 31, 12:00 PM, midday on this date.
| Elongation from the Sun | 196.85° |
|---|---|
| Phase angle | 17.51° |
| Illuminated fraction | 97.68% |
| Altitude / azimuth | -58.4° / 314.5° |
| Right ascension / declination | 13h 34m / -15.20° |
| Ecliptic longitude / latitude | 207.33° / -5.01° |
| Libration in longitude / latitude | 4.24° / 7.04° |
| Sub-solar longitude / latitude | -12.47° / 1.53° |
| Position angle of the axis | 21.6° |
| Position angle of the bright limb | 129.2° |
| Apparent magnitude | -12.2 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.