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 January 29 Waning Gibbous 99% |
January 30 Waning Gibbous 96% |
 Waning Gibbous Illumination: 90% |
 February 1 Waning Gibbous 82% |
 February 2 Waning Gibbous 73% |
MOON
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Moon Phase: January 31, 2021
On this day the Moon was in a Waning Gibbous. During this phase the Moon can be seen in the early morning daylight hours on the western horizon. This is the first phase after the Full Moon occurs. It lasts roughly 7 days with the Moon’s illumination growing smaller each day until the Moon becomes a Last Quarter Moon with an illumination of 50%. The average Moon rise for this phase is between 9pm and Midnight depending on the age of the phase. The moon rises later and later each night setting after sunrise in the morning.
Visit the January 2021 Moon Phases Calendar to see all the daily moon phase for this month.
Waning Gibbous Phase
The Waning Gibbous on January 31 has an illumination of 90%. 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 31 the Moon is 17.8 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.
Today's Moon Sign: ♍ Virgo
The current zodiac moon sign is Virgo, positioned at 14.42° within the sign. The Moon entered Virgo on Loading... and will shift into Libra on Loading.... The zodiac moon sign represents the position of the Moon as it moves through the twelve signs of the zodiac. Each zodiac moon sign lasts about 2 to 2.5 days as the Moon travels through that part of the sky.
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 31
Illumination: 90%
Moon Age: 17.80 days
Moon Angle: 0.54
Moon Distance: 370,923.69 km
Sun Angle: 0.54
Sun Distance: 147,411,284.50 km
Useful Moon Resources
Check the weather before a night of Moon gazing at weather.com
For a list of all the current meteor showers visit American Meteor Society
Waning Gibbous Moonrise and Moonset
average moon rise Average Mid-phase Average Moon Set 