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Waxing Gibbous on 01/21/2016
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Waxing Gibbous
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January 22
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January 23
Waxing Gibbous
Illumination: 100%
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Moon Phase: January 23, 2016

On this day the Moon was in a Waxing Gibbous phase. Visible through most of the night sky setting a few hours before sunrise. This phase is when the moon is more than 50% illuminated but not yet a Full Moon. The phase lasts about 7 days with the moon becoming more illuminated each day until the Full Moon. This September Full Moon will be the forth and final supermoon of 2023.

During a Waxing Gibbous the moon rises in the east in mid-afternoon and is high in the eastern sky at sunset. The word Gibbous first appeared in the 14th century and has its roots in the Latin word "gibbosus" meaning humpbacked.

Visit the January 2016 Moon Phases Calendar to see all the daily moon phase for this month.

Waxing Gibbous Phase

The Waxing Gibbous on January 23 has an illumination of 100%. This is the percentage of the Moon illuminated by the Sun. The illumination is constantly changing and can vary up to 10% a day. On January 23 the Moon is 14.19 days old. This refers to how many days it has been since the last New Moon. It takes 29.53 days for the Moon to orbit the Earth and go through the lunar cycle of all 8 Moon phases.

The 8 Lunar Phases

There are 8 lunar phases the Moon goes through in its 29.53 days lunar cycle. The 4 major Moon phases are Full Moon, New Moon, First Quarter and Last Quarter. Between these major phases, there are 4 minor ones: the Waxing Crescent, Waxing Gibbous, Waning Gibbous and Waning Crescent. For more info on the Moon Cycle and on each phase check out Wikipedia Lunar Phase page.


Phase Details for - January 23

Phase: Waxing Gibbous
Illumination: 100%
Moon Age: 14.19 days
Moon Angle: 0.52
Moon Distance: 386,626.59 km
Sun Angle: 0.54
Sun Distance: 147,248,404.46 km

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