The Moon on this date
Moon on Thursday, February 21, 1991
First Quarter
47.3% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- NE
- Highest
- 75°
- Moonset
- NW
60°30°
Horizon
10:41 AM
1:09 AM
75°
Key figures
- Illuminated
- 47.3%
- Age
- 7.0 days
- Distance
- 371,600 km
- Apparent size
- 32.1′
- Constellation
- Taurus
- Lunation number
- 843
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 Feb 21, 12:00 PM, midday on this date.
| Elongation from the Sun | 86.74° |
|---|---|
| Phase angle | 93.10° |
| Illuminated fraction | 47.29% |
| Altitude / azimuth | 12.3° / 69.2° |
| Right ascension / declination | 3h 44m / 24.32° |
| Ecliptic longitude / latitude | 59.31° / 4.42° |
| Libration in longitude / latitude | -2.30° / -4.95° |
| Sub-solar longitude / latitude | 90.12° / 0.87° |
| Position angle of the axis | 346.6° |
| Position angle of the bright limb | 257.2° |
| 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.