The Moon on this date
Moon on Thursday, August 21, 1958
First Quarter
48.4% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 32°
- Moonset
- –
60°30°
Horizon
2:16 PM
32°
Key figures
- Illuminated
- 48.4%
- Age
- 6.5 days
- Distance
- 372,400 km
- Apparent size
- 32.1′
- Constellation
- Libra
- Lunation number
- 441
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 Aug 21, 12:00 PM, midday on this date.
| Elongation from the Sun | 87.97° |
|---|---|
| Phase angle | 91.89° |
| Illuminated fraction | 48.35% |
| Altitude / azimuth | -24.6° / 91.9° |
| Right ascension / declination | 15h 38m / -16.62° |
| Ecliptic longitude / latitude | 236.06° / 2.73° |
| Libration in longitude / latitude | 5.31° / -3.19° |
| Sub-solar longitude / latitude | 96.45° / -1.28° |
| Position angle of the axis | 14.4° |
| Position angle of the bright limb | 283.1° |
| 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.