The Moon on this date
Moon on Sunday, April 21, 1991
First Quarter
51.7% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- NE
- Highest
- 67°
- Moonset
- NW
60°30°
Horizon
12:52 PM
2:45 AM
67°
Key figures
- Illuminated
- 51.7%
- Age
- 6.8 days
- Distance
- 372,400 km
- Apparent size
- 32.1′
- Constellation
- Cancer
- Lunation number
- 845
Events on this date
-
First Quarter
Half of the disc is lit. The Moon is high at sunset and sets around midnight.
-
Moon and Jupiter close together
They pass 1.8° apart in the sky.
Exact values
For Apr 21, 12:00 PM, midday on this date.
| Elongation from the Sun | 91.81° |
|---|---|
| Phase angle | 88.05° |
| Illuminated fraction | 51.70% |
| Altitude / azimuth | -8.6° / 57.1° |
| Right ascension / declination | 8h 20m / 18.66° |
| Ecliptic longitude / latitude | 122.86° / -0.89° |
| Libration in longitude / latitude | 4.48° / 1.71° |
| Sub-solar longitude / latitude | 91.77° / 1.51° |
| Position angle of the axis | 11.9° |
| Position angle of the bright limb | 283.3° |
| 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.