The Moon on this date
Moon on Saturday, August 9, 2031
Last Quarter
53.6% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- –
- Highest
- 66°
- Moonset
- W
60°30°
Horizon
2:02 PM
66°
Key figures
- Illuminated
- 53.6%
- Age
- 21.1 days
- Distance
- 391,800 km
- Apparent size
- 30.5′
- Constellation
- Aries
- Lunation number
- 1343
Events on this date
-
Last Quarter
Half of the disc is lit. The Moon rises around midnight and is up through the morning.
Exact values
For Aug 9, 12:00 PM, midday on this date.
| Elongation from the Sun | 265.96° |
|---|---|
| Phase angle | 85.81° |
| Illuminated fraction | 53.65% |
| Altitude / azimuth | 21.2° / 273.6° |
| Right ascension / declination | 2h 40m / 16.65° |
| Ecliptic longitude / latitude | 42.86° / 1.00° |
| Libration in longitude / latitude | 6.41° / -1.00° |
| Sub-solar longitude / latitude | -78.62° / -1.53° |
| Position angle of the axis | 340.6° |
| Position angle of the bright limb | 72.0° |
| 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.