Moon Phase on August 17, 2013
Saturday, August 17, 2013
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First Quarter
82.4%
Illumination130.5°
Phase Angle10.7
Moon Age (days)Waxing
DirectionAbout the First Quarter Phase
Exactly half of the Moon's visible surface is illuminated — the right half in the Northern Hemisphere. Despite being called a 'quarter,' half the Moon is lit because we're one quarter of the way through the lunar cycle. The Moon rises around noon and sets around midnight.
More about First Quarter