The Moon on this date

Moon on Saturday, January 17, 2009

Last Quarter

54.2% illuminated · waning

Shown at midday from Columbus, US.

Rise, set and path

Times for Columbus, US

Moonrise
E
Highest
37°
Moonset
W
Moon's height Daylight Twilight Night

Key figures

Illuminated
54.2%
Age
21.2 days
Distance
391,500 km
Apparent size
30.5′
Constellation
Virgo
Lunation number
1064

Events on this date

  1. Last Quarter

    Half of the disc is lit. The Moon rises around midnight and is up through the morning.

Exact values

For Jan 17, 12:00 PM, midday on this date.

Elongation from the Sun265.29°
Phase angle85.15°
Illuminated fraction54.22%
Altitude / azimuth-9.0° / 259.4°
Right ascension / declination13h 17m / -13.65°
Ecliptic longitude / latitude203.02° / -5.07°
Libration in longitude / latitude6.62° / 7.37°
Sub-solar longitude / latitude-78.02° / -0.29°
Position angle of the axis21.8°
Position angle of the bright limb112.8°
Apparent magnitude-10.3

Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.

Your location

Times are shown for Columbus, US, guessed from your internet connection. Pick your city if that is wrong.

Your location is kept in a cookie in this browser and is used to calculate rise and set times. Rounded to about 25 km, it is also sent to Open-Meteo for the cloud forecast.