The Moon on this date
Moon on Thursday, July 18, 1991
First Quarter
50.5% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 33°
- Moonset
- W
60°30°
Horizon
2:14 PM
12:10 AM
33°
Key figures
- Illuminated
- 50.5%
- Age
- 6.9 days
- Distance
- 390,400 km
- Apparent size
- 30.6′
- Constellation
- Virgo
- Lunation number
- 848
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 18, 12:00 PM, midday on this date.
| Elongation from the Sun | 90.40° |
|---|---|
| Phase angle | 89.46° |
| Illuminated fraction | 50.47% |
| Altitude / azimuth | -24.4° / 89.6° |
| Right ascension / declination | 13h 28m / -14.91° |
| Ecliptic longitude / latitude | 205.94° / -5.25° |
| Libration in longitude / latitude | 8.15° / 7.01° |
| Sub-solar longitude / latitude | 96.76° / -0.19° |
| Position angle of the axis | 21.9° |
| Position angle of the bright limb | 291.5° |
| 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.