The Moon on this date
Moon on Thursday, July 21, 1988
First Quarter
45.9% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 35°
- Moonset
- W
60°30°
Horizon
1:46 PM
12:04 AM
35°
Key figures
- Illuminated
- 45.9%
- Age
- 7.8 days
- Distance
- 398,200 km
- Apparent size
- 30.0′
- Constellation
- Virgo
- Lunation number
- 811
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 Jul 21, 12:00 PM, midday on this date.
| Elongation from the Sun | 85.18° |
|---|---|
| Phase angle | 94.67° |
| Illuminated fraction | 45.93% |
| Altitude / azimuth | -19.5° / 90.4° |
| Right ascension / declination | 13h 25m / -12.46° |
| Ecliptic longitude / latitude | 204.27° / -3.27° |
| Libration in longitude / latitude | -4.99° / 4.47° |
| Sub-solar longitude / latitude | 88.95° / 1.17° |
| Position angle of the axis | 20.5° |
| Position angle of the bright limb | 291.9° |
| Apparent magnitude | -9.8 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.