The Moon on this date
Moon on Monday, May 20, 1991
First Quarter
48.4% 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
1:05 PM
1:53 AM
57°
Key figures
- Illuminated
- 48.4%
- Age
- 6.5 days
- Distance
- 375,700 km
- Apparent size
- 31.8′
- Constellation
- Leo
- Lunation number
- 846
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 20, 12:00 PM, midday on this date.
| Elongation from the Sun | 88.00° |
|---|---|
| Phase angle | 91.85° |
| Illuminated fraction | 48.38% |
| Altitude / azimuth | -11.6° / 67.2° |
| Right ascension / declination | 9h 53m / 9.56° |
| Ecliptic longitude / latitude | 147.15° / -3.09° |
| Libration in longitude / latitude | 6.69° / 4.40° |
| Sub-solar longitude / latitude | 97.77° / 1.21° |
| Position angle of the axis | 18.7° |
| Position angle of the bright limb | 290.0° |
| Apparent magnitude | -10.1 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.