October 31 zodiac sign

On October 31 the Sun stands between 6° and 9° Scorpio, in the 1st decan of the sign.

Across all the years 1930 to 2050, the Sun was in Scorpio for the whole of October 31, wherever in the world you were born.

Find your exact Sun degree

Add your birth year, and your time and place if you know them. Hali will work out exactly where the Sun stood when you arrived, and when it next returns there.

Your birthday star

The stars truly behind your Sun

On October 31 the Sun stands on the border between Libra and Virgo, and in some years it crosses from one to the other that very day. The sign is Scorpio, because astrologers' signs follow the seasons rather than the stars.

See the real sky behind your whole chart

October 31 in every year from 1940 to 2025

The Sun is in Scorpio on October 31, but the Moon, Mercury and Venus keep moving. Open your decade to see where they were on your birthday. Times are Greenwich time (UTC), so if the Moon changed sign that day, your birth time and place decide which side of the line you were born on.

Moon at midnight and the minute it changed sign, Mercury and Venus at noon, all Greenwich time. Your exact placements need your birth time and place. Find your exact Moon sign

How common is a October 31 birthday?

In US birth records from 1994 to 2014, an average of 9,978 babies were born on October 31 each year. That makes it number 357 of 366 birthdays, where 1 is the most common. That is 10% fewer than an average day.

See every birthday and sign ranked

More from our studies: The rarest rising sign, city by city · How rare is your Big Three? · Were you born with Mercury retrograde?

The Scorpio in you

Your decan, the first part of Scorpio

Ruled by Pluto

Pluto rules this decan as it rules the sign, with old Mars still standing behind it. Intense, compelling and determined, you commit with your whole being.

Read about the first decan of Scorpio

Questions about October 31