The Moon on this date
Moon on Tuesday, January 21, 1930
Last Quarter
49.8% 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
12:38 AM
11:48 AM
39°
Key figures
- Illuminated
- 49.8%
- Age
- 21.7 days
- Distance
- 386,800 km
- Apparent size
- 30.9′
- Constellation
- Virgo
- Lunation number
- 87
Events on this date
-
Last Quarter
Half of the disc is lit. The Moon rises around midnight and is up through the morning.
-
Mercury at inferior conjunction
Passes between Earth and the Sun and is lost in its glare.
Exact values
For Jan 21, 12:00 PM, midday on this date.
| Elongation from the Sun | 270.43° |
|---|---|
| Phase angle | 90.28° |
| Illuminated fraction | 49.75% |
| Altitude / azimuth | -2.2° / 256.7° |
| Right ascension / declination | 13h 58m / -11.39° |
| Ecliptic longitude / latitude | 211.39° / 0.61° |
| Libration in longitude / latitude | 7.26° / 0.06° |
| Sub-solar longitude / latitude | -82.57° / -1.53° |
| Position angle of the axis | 18.9° |
| Position angle of the bright limb | 110.4° |
| 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.