The Moon on this date
Moon on Sunday, April 21, 1957
Last Quarter
52.5% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 33°
- Moonset
- W
60°30°
Horizon
1:11 AM
11:36 AM
33°
Key figures
- Illuminated
- 52.5%
- Age
- 21.3 days
- Distance
- 401,700 km
- Apparent size
- 29.7′
- Constellation
- Sagittarius
- Lunation number
- 424
Events on this date
-
Neptune at opposition
Opposite the Sun in the sky: up all night and at its brightest for the year.
-
Last Quarter
Half of the disc is lit. The Moon rises around midnight and is up through the morning.
Exact values
For Apr 21, 12:00 PM, midday on this date.
| Elongation from the Sun | 267.23° |
|---|---|
| Phase angle | 87.09° |
| Illuminated fraction | 52.54% |
| Altitude / azimuth | -4.2° / 252.8° |
| Right ascension / declination | 19h 59m / -15.65° |
| Ecliptic longitude / latitude | 298.55° / 4.90° |
| Libration in longitude / latitude | 2.51° / -5.92° |
| Sub-solar longitude / latitude | -83.72° / 0.49° |
| Position angle of the axis | 349.5° |
| Position angle of the bright limb | 78.6° |
| 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.