The Moon on this date
Moon on Sunday, January 21, 1979
Last Quarter
47.7% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 41°
- Moonset
- W
60°30°
Horizon
12:46 AM
12:09 PM
41°
Key figures
- Illuminated
- 47.7%
- Age
- 22.9 days
- Distance
- 387,300 km
- Apparent size
- 30.8′
- Constellation
- Virgo
- Lunation number
- 693
Events on this date
-
Last Quarter
Half of the disc is lit. The Moon rises around midnight and is up through the morning.
Exact values
For Jan 21, 12:00 PM, midday on this date.
| Elongation from the Sun | 272.76° |
|---|---|
| Phase angle | 92.60° |
| Illuminated fraction | 47.73% |
| Altitude / azimuth | 1.3° / 256.2° |
| Right ascension / declination | 14h 11m / -9.34° |
| Ecliptic longitude / latitude | 213.82° / 3.67° |
| Libration in longitude / latitude | -8.37° / -3.88° |
| Sub-solar longitude / latitude | -100.44° / 1.16° |
| Position angle of the axis | 20.8° |
| Position angle of the bright limb | 109.8° |
| Apparent magnitude | -10.0 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.