Waning Crescent on 10/17/2017
October 17
Waning Crescent
Waning Crescent on 10/18/2017
October 18
Waning Crescent
New Moon on 10/19/2017
October 19
New Moon
Illumination: 0%
Waxing Crescent on 10/20/2017
October 20
Waxing Crescent
Waxing Crescent on 10/21/2017
October 21
Waxing Crescent

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Moon Phase: October 19, 2017

On this day the Moon was in a New Moon phase. During this phase the Moon is too close to the sun in the sky to be visible. The moon rises and sets with the sun and is not present in the night sky. Because of this the night sky is darker and an excellent time to view other celestial objects. Like the Full Moon, a New Moon happens at a very specific time when the sun and moon have the same ecliptic longitude and it can be measured down to the second it occurs.

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

New Moon Phase

The New Moon on October 19 has an illumination of 0%. 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 October 19 the Moon is 29.25 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 - October 19

Phase: New Moon
Illumination: 0%
Moon Age: 29.25 days
Moon Angle: 0.51
Moon Distance: 392,659.63 km
Sun Angle: 0.54
Sun Distance: 148,966,561.90 km

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