The Moon on this date
Moon on Tuesday, May 31, 2191
First Quarter
53.9% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 57°
- Moonset
- W
60°30°
Horizon
1:37 PM
2:25 AM
57°
Key figures
- Illuminated
- 53.9%
- Age
- 8.4 days
- Distance
- 400,700 km
- Apparent size
- 29.8′
- Constellation
- Leo
- Lunation number
- 3320
Events on this date
-
First Quarter
Half of the disc is lit. The Moon is high at sunset and sets around midnight.
Exact values
For May 31, 12:00 PM, midday on this date.
| Elongation from the Sun | 94.33° |
|---|---|
| Phase angle | 85.53° |
| Illuminated fraction | 53.90% |
| Altitude / azimuth | -17.1° / 62.2° |
| Right ascension / declination | 11h 09m / 9.06° |
| Ecliptic longitude / latitude | 164.67° / 3.28° |
| Libration in longitude / latitude | -3.28° / -3.91° |
| Sub-solar longitude / latitude | 81.35° / 1.13° |
| Position angle of the axis | 21.7° |
| Position angle of the bright limb | 293.1° |
| 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.