The Psychic StudioIf your birthday is October 31, your zodiac sign is Scorpio. The sign runs from about October 23 to November 21, so a Halloween birthday sits near the start of it. Libra ends around October 22 or 23, and that change is long over by the 31st.
This guide covers what Scorpio says about an October 31 birthday, where the date falls inside the sign and which tarot card fits.
Why October 31 is Scorpio
The Sun enters Scorpio on October 22 or 23, depending on the year. October 31 falls about a week after that, so the sign is the same every year. If you are searching "is October 31 a Libra", the answer is no. The birthdays that need an exact birth-time check are October 22 and 23. For the full date range, see our guide to the Scorpio horoscope and tarot cards.
Scorpio is the eighth sign of the zodiac and the second water sign. It arrives as autumn deepens in the Northern Hemisphere, which is one reason the sign is described as private and intense.
What an October 31 birthday looks like in Scorpio
Scorpio is a fixed water sign. In traditional astrology it is ruled by Mars, and many modern astrologers also name Pluto. A Scorpio is usually described as focused, loyal and hard to read. They keep their feelings close and notice what other people try to hide.
The strength of the sign is depth. A Scorpio stays with a hard subject, keeps a secret and means what they say. The weak point is control. A Scorpio can hold a grudge or test people instead of asking a direct question. For the love side of the sign, read our guide to Scorpio in love, or the full Scorpio sign guide.
Many people link a Halloween birthday with a taste for mystery. Astrology does not say the date changes your chart. Your Sun sign comes from the day, and the holiday adds no meaning to it.
October 31 and the Scorpio decan
Each sign splits into three parts of about ten days, called decans. In the modern system, the first Scorpio decan runs from about October 23 to November 1 and is ruled by Mars. The second runs from about November 2 to November 11 and borrows from Pisces. The third runs from about November 12 to November 21 and borrows from Cancer.
October 31 is in the first decan, one day before it ends. That gives it the Mars version of Scorpio, the most direct and driven part of the sign. Decan systems differ between astrologers, and none of them changes your Sun sign. A neighbouring date has its own page: see the October 26 zodiac sign.
Tarot card for an October 31 birthday
Death is the card most often paired with Scorpio. Despite the name, it is about endings and change, not literal death. It fits a sign that goes through one deep change after another.
The Moon also fits, since it deals with what is hidden and not yet clear. If you want a card for your own day, draw a free tarot card. It takes under a minute and needs no account. Tarot works as a reflection tool and does not predict events.
Compatibility for an October 31 birthday
Water and earth signs usually read as the easiest match for Scorpio. Cancer and Pisces share the depth. Virgo and Capricorn share the steadiness. Taurus sits directly opposite Scorpio, and that pair tends to be intense and loyal.
Fire and air signs can work when both sides are honest about space and trust. For a particular pair, use the zodiac compatibility guide.
Using the date well
The last day of October is the point where the year turns toward its dark half, and Scorpio is the sign most tied to it. Letting go, clearing out and going inward all suit the sign. A simple use of the date is to write down one thing you are ready to end and one thing you want to protect.
Scorpio energy works best with one honest decision rather than a long list. See today's tarot card on the Scorpio horoscope page. It reads the day through a card and does not predict events.
October 31 zodiac questions
What zodiac sign is October 31?
Scorpio. The sign runs from about October 23 to November 21, and October 31 is always inside it.
Is October 31 Libra or Scorpio?
Scorpio. Libra ends around October 22 or 23.
What element is an October 31 birthday?
Water. Scorpio is a water sign, along with Cancer and Pisces.
What planet rules an October 31 birthday?
Mars rules Scorpio in traditional astrology, and many modern astrologers also name Pluto. The first Scorpio decan, which includes this date, is ruled by Mars.
What tarot card matches an October 31 birthday?
Death is the usual pairing for Scorpio. The Moon also fits.