Waning Gibbous on 01/17/2017
January 17
Waning Gibbous
Waning Gibbous on 01/18/2017
January 18
Waning Gibbous
Last Quarter on 01/19/2017
January 19
Last Quarter
Illumination: 54%
Waning Crescent on 01/20/2017
January 20
Waning Crescent
Waning Crescent on 01/21/2017
January 21
Waning Crescent

Moon Phase: January 19, 2017

On this day the Moon was in a Last Quarter phase. This phase occurs roughly 3 weeks after the New Moon when the Moon is three quarter of the way through it’s orbit around the earth. If you live in the northern hemisphere the Moons left side will be illuminated and the right side will be dark. For those of you in the southern hemisphere it will be the opposite with the right side illuminated. Also called a Third Quarter phase, it will rise around midnight on the eastern horizon and set in the west around noon the next day. In the days following the Third Quarter Phase the Moon’s illumination will decrees each day until the New Moon.

Visit the January 2017 Moon Phases Calendar to see all the daily moon phase for this month.

Last Quarter Phase

The Last Quarter on January 19 has an illumination of 54%. 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 19 the Moon is 21.76 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 19

Phase: Last Quarter
Illumination: 54%
Moon Age: 21.76 days
Moon Angle: 0.50
Moon Distance: 401,888.81 km
Sun Angle: 0.54
Sun Distance: 147,203,715.40 km

Useful Moon Resources

Last Quarter Moonrise and Moonset

last. last last moon rise
moon rise up average moon rise
moon rise up Average Mid-phase
moon rise up Average Moon Set