The Moon on this date
Moon on Saturday, July 31, 2021
Last Quarter
49.0% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 61°
- Moonset
- W
60°30°
Horizon
12:33 AM
2:14 PM
61°
Key figures
- Illuminated
- 49.0%
- Age
- 21.6 days
- Distance
- 402,700 km
- Apparent size
- 29.7′
- Constellation
- Aries
- Lunation number
- 1219
Events on this date
-
Last Quarter
Half of the disc is lit. The Moon rises around midnight and is up through the morning.
-
Moon and Uranus close together
They pass 1.7° apart in the sky.
Exact values
For Jul 31, 12:00 PM, midday on this date.
| Elongation from the Sun | 271.24° |
|---|---|
| Phase angle | 91.09° |
| Illuminated fraction | 49.05% |
| Altitude / azimuth | 23.8° / 265.7° |
| Right ascension / declination | 2h 33m / 12.43° |
| Ecliptic longitude / latitude | 39.91° / -2.48° |
| Libration in longitude / latitude | 2.33° / 3.51° |
| Sub-solar longitude / latitude | -88.07° / 1.38° |
| Position angle of the axis | 343.0° |
| Position angle of the bright limb | 71.6° |
| Apparent magnitude | -9.9 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.