The Moon on this date
Moon on Sunday, December 21, 1919
Waning Crescent
0.5% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- SE
- Highest
- 28°
- Moonset
- SW
60°30°
Horizon
7:00 AM
4:50 PM
28°
Key figures
- Illuminated
- 0.5%
- Age
- 29.1 days
- Distance
- 405,500 km
- Apparent size
- 29.5′
- Constellation
- Ophiuchus
- Lunation number
- -38
Events on this date
-
Mercury at greatest elongation
22° from the Sun in the morning sky, its best showing before sunrise.
Exact values
For Dec 21, 12:00 PM, midday on this date.
| Elongation from the Sun | 351.87° |
|---|---|
| Phase angle | 171.53° |
| Illuminated fraction | 0.54% |
| Altitude / azimuth | 28.4° / 181.3° |
| Right ascension / declination | 17h 20m / -20.83° |
| Ecliptic longitude / latitude | 260.67° / 2.29° |
| Libration in longitude / latitude | -1.15° / -2.23° |
| Sub-solar longitude / latitude | -173.01° / 0.91° |
| Position angle of the axis | 5.3° |
| Position angle of the bright limb | 104.4° |
| Apparent magnitude | -4.7 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.