If you were born on January 31, your zodiac sign is Aquarius. The Sun occupies approximately 12° Aquarius on this date, placing you in the 2nd decan ruled by Mercury.
Best Compatibility for January 31
♒ & ♊
Aquarius & Gemini
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♒ & ♎
Aquarius & Libra
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♒ & ♐
Aquarius & Sagittarius
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Gemini provides the intellectual fireworks and communicative freedom Aquarius craves most. Libra shares Aquarius' social idealism and desire for equitable partnership. Sagittarius brings philosophical depth and adventurous energy that keeps Aquarius inspired.
Your Decan: 2nd Decan of Aquarius
Each zodiac sign spans 30° of the ecliptic, divided into three decans of 10° each. Born on January 31 at approximately 12° Aquarius, you fall in the 2nd decan (10°–20° Aquarius).
While Aquarius is ruled by Saturn, your 2nd decan is sub-ruled by Mercury. This adds a distinctive layer: Mercury's influence blends with Saturn's core energy, giving you qualities that set you apart from other Aquarius natives in different decans.
Lucky Numbers, Colors & Symbols
Lucky Numbers
4, 13, 22, 31
Lucky Color
Light Blue
Lucky Day
Saturday
Birthstone
Garnet
Birth Flower
Carnation
Healing Crystal
Angelite
Sabian Symbol
"On a vast staircase stand people of different types, graduated upward"
Numerology
4
Season
Winter
Element
Air
Modality
Fixed
Historical Events on January 31
- • 1606: Guy Fawkes is executed for his role in the Gunpowder Plot
- • 1865: U.S. Congress passes the 13th Amendment, abolishing slavery
- • 1958: Explorer 1 becomes the first successful U.S. satellite launch
- • 1990: The first McDonald's opens in Moscow, Soviet Union
Frequently Asked Questions
What zodiac sign is January 31?
If you were born on January 31, your zodiac sign is Aquarius. The Sun occupies approximately 12° Aquarius on this date, placing you in the 2nd decan ruled by Mercury. Swiss Ephemeris calculations confirm this position based on the Sun's annual path through the ecliptic.
What are the personality traits of someone born on January 31?
People born on January 31 are Aquarius natives with Air element energy and Fixed modality. The 2nd decan sub-ruled by Mercury adds a distinctive layer to the core Aquarius personality, making these individuals unique among their sign.
Who is January 31 most compatible with?
January 31 Aquarius natives are most compatible with signs that share the Air element (trine aspect) or complementary elements. Check the compatibility section above for specific sign matches and the best romantic dates.
What is the birthstone for January 31?
The traditional birthstone for people born on January 31 is Garnet. The decan-specific healing crystal is Angelite, which resonates with the Mercury-influenced energy of the 2nd decan of Aquarius.
What decan is January 31?
January 31 falls in the 2nd decan of Aquarius (approximately 12° Aquarius). This decan is sub-ruled by Mercury, which adds complementary energy to the core Aquarius traits.
What famous people were born on January 31?
While our celebrity database is still growing, all people born on January 31 share the Aquarius Sun sign at approximately 12° with Mercury decan influence.
What is the lucky number for someone born on January 31?
The numerology root for January 31 is 4. Lucky numbers include 4, 13, 22, 31. The lucky day is Saturday (ruled by Saturn), and the lucky color is Light Blue.
What element is January 31?
January 31 belongs to the Air element through Aquarius. Air signs are known for intuition, emotional depth, and empathy.
More 2nd Decan Aquarius Birthdays
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