The Sky on a Date

Where Were the Planets on January 31, 2100?

Quick Answer

On January 31, 2100, the Sun is in Aquarius (11°39' at noon UTC), the Moon moves from Libra into Scorpio, and the Moon phase is Waning Gibbous (66% illuminated). Mercury and Neptune are retrograde.

Planetary Positions at Noon UTC

Signs and degrees at 12:00 UTC on January 31, 2100. The Moon moves about 13 degrees a day, from 16°19' Libra at midnight UTC to 0°33' Scorpio at the end of the day.

Planetary positions on January 31, 2100
Body	Position	Motion	In Sign Since	Next Sign Change
Sun	11°39'32" Aquarius	Direct	Jan 20, 2100	Feb 18, 2100 into Pisces
Moon	23°27'55" Libra	Direct	Jan 29, 2100	Jan 31, 2100 into Scorpio
Mercury	25°49'56" Aquarius	Retrograde	Jan 8, 2100	Mar 15, 2100 into Pisces
Venus	25°58'32" Pisces	Direct	Jan 9, 2100	Feb 4, 2100 into Aries
Mars	13°54'15" Taurus	Direct	Jan 2, 2100	Mar 1, 2100 into Gemini
Jupiter	23°10'13" Libra	Direct	Sep 9, 2099	Oct 10, 2100 into Scorpio
Saturn	26°38'02" Libra	Direct	Aug 18, 2098	Oct 26, 2100 into Scorpio
Uranus	18°16'29" Aries	Direct	Feb 19, 2095	Apr 25, 2102 into Taurus
Neptune	16°50'35" Virgo	Retrograde	Jul 5, 2093	Nov 21, 2105 into Libra
Pluto	2°24'22" Taurus	Direct	Mar 10, 2097	Jun 16, 2127 into Gemini
North Node	19°19'18" Pisces	Direct	Jul 13, 2099	Jan 31, 2101 into Aquarius

Sky Events on January 31, 2100

The Moon phase is Waning Gibbous, 66% illuminated at noon UTC.

Date	Event	Detail
Jan 31, 23:02 UTC	The Moon enters Scorpio	Leaves Libra

Born on January 31, 2100?

Planet signs are only part of the picture. Your rising sign changes about every two hours and the Moon moves half a degree an hour, so your exact birth time and place decide your houses, angles and Moon degree.

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