The Moon on this date
Moon on Saturday, July 31, 2173
Last Quarter
50.5% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 65°
- Moonset
- NW
60°30°
Horizon
12:03 AM
2:19 PM
65°
Key figures
- Illuminated
- 50.5%
- Age
- 21.6 days
- Distance
- 386,100 km
- Apparent size
- 30.9′
- Constellation
- Aries
- Lunation number
- 3099
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 Jul 31, 12:00 PM, midday on this date.
| Elongation from the Sun | 269.63° |
|---|---|
| Phase angle | 89.48° |
| Illuminated fraction | 50.45% |
| Altitude / azimuth | 24.1° / 271.7° |
| Right ascension / declination | 2h 21m / 16.90° |
| Ecliptic longitude / latitude | 38.56° / 2.70° |
| Libration in longitude / latitude | 6.76° / -3.24° |
| Sub-solar longitude / latitude | -81.83° / 1.30° |
| Position angle of the axis | 342.2° |
| Position angle of the bright limb | 70.8° |
| 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.