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January 31 Zodiac Sign

People born on January 31 are Aquarius.

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Find your exact sign

January 31 and Aquarius season

Aquarius season ran from 01-20 at 14:07 UTC to 02-19 at 04:13 UTC in 2024.

Aquarius season ran from 01-19 at 20:00 UTC to 02-18 at 10:07 UTC in 2025.

Aquarius season ran from 01-20 at 01:45 UTC to 02-18 at 15:52 UTC in 2026.

When the ingress is into Aries, Cancer, Libra, or Capricorn, it marks the March equinox, June solstice, September equinox, or December solstice respectively. Ingresses into the other eight signs mark the start of mid season periods.

How to read a January 31 Sun sign

A Sun sign is the sign the Sun occupied at your birth instant. Near an ingress, that instant can fall on either side of the boundary, so people born on January 31 may have different signs in different years.

Enter the birth year, local clock time, and a named time zone such as America/Los_Angeles. The named zone accounts for daylight saving rules on the birth date.

This lookup uses the tropical zodiac and identifies only the Sun sign. Use the chart step for other placements.

What Aquarius birthdays are like

Aquarius

Aquarius energy makes room for the idea nobody has tried yet. It brings originality, independence, and an instinct for finding the people and possibilities ahead of their time. As a fixed air sign ruled by Saturn, Aquarius favors holding an independent perspective; picture a new blueprint shared with the whole group.

Astrology is a symbolic framework, not a scientific personality test or a guarantee about any individual.

Celebrities born on January 31

Also born around January 31

These birthdays fall within two calendar days before or after January 31; they are not exact date matches.

Frequently asked questions

What zodiac sign is January 31?

People born on January 31 are Aquarius in the tropical zodiac.

Is January 31 Aquarius?

January 31 is Aquarius.

How do I find my exact Sun sign if I was born on January 31?

Enter your birth year, local birth time, and time zone in the exact sign finder. It compares that UTC birth instant with the Sun sign ingress.

All january dates

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Updated October 2026

See your full birth chart in the Timing app