The Moon on this date
Moon on Thursday, August 18, 1921
Full Moon
99.9% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 39°
- Moonset
- W
60°30°
Horizon
8:13 PM
6:47 AM
39°
Key figures
- Illuminated
- 99.9%
- Age
- 14.8 days
- Distance
- 405,900 km
- Apparent size
- 29.4′
- Constellation
- Capricornus
- Lunation number
- -17
Events on this date
-
Full Moon
The whole disc is lit. The Moon rises around sunset and stays up all night.
Exact values
For Aug 18, 12:00 PM, midday on this date.
| Elongation from the Sun | 180.24° |
|---|---|
| Phase angle | 4.11° |
| Illuminated fraction | 99.87% |
| Altitude / azimuth | -53.4° / 320.4° |
| Right ascension / declination | 21h 45m / -9.18° |
| Ecliptic longitude / latitude | 325.38° / 4.12° |
| Libration in longitude / latitude | -1.11° / -5.08° |
| Sub-solar longitude / latitude | -1.01° / -1.32° |
| Position angle of the axis | 339.8° |
| Position angle of the bright limb | 338.3° |
| Apparent magnitude | -12.5 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.