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KEIRO
Glossary

西洋占星術 · 水瓶座

Aquarius — The Water Bearer

Aquarius — The Water Bearer

January 20 – February 18

Element
Air
Modality
Fixed
Ruler
Uranus

Aquarius — The Water Bearer is the fixed air sign of the zodiac, ruled by Uranus and covering birthdays from January 20 – February 18. Aquarius pours new ideas. Visionary, humanitarian, eccentric — the sign of the future and the collective. People born under Aquarius are typically innovative, humanitarian and independent.

Strengths

innovativehumanitarianindependentvisionaryintellectual

Aquarius personality in depth

Aquarius, the air sign born January 20 – February 18, is at core innovative, humanitarian, independent, visionary and intellectual. Aquarius pours new ideas. Visionary, humanitarian, eccentric — the sign of the future and the collective. That air shows in a mind always in motion, connecting people and ideas and needing exchange the way others need rest. These strengths rarely act alone: the innovative and humanitarian streak makes the first impression, while being independent, visionary and intellectual shapes how that energy matures over a lifetime. To understand Aquarius is to read all of these traits together rather than reduce the sign to a single word.

Challenges

detachedstubbornrebelliousaloof

The shadow side of Aquarius

Every Aquarius carries a shadow side, and for this sign it shows up as being detached, stubborn, rebellious and aloof. Under pressure the air scatters, and the busy mind spins into worry, indecision or a coolness that keeps others at a distance. These are not separate flaws so much as strengths overplayed: the same innovative nature that makes Aquarius magnetic can curdle into being detached when it runs unchecked. Aquarius grows by catching the early signs — detached and stubborn — and choosing a different response before the pattern sets. Named honestly and worked with rather than denied, the shadow of Aquarius becomes the exact edge where the sign does its deepest maturing.

Aquarius in love

In love, Aquarius loves through the mind first: flirtation is conversation, and a partner who can think and talk keeps the door open. At their best they bring innovative, humanitarian and independent to a partnership, and they bond most easily with someone who can meet that. By sun-sign element, Aquarius's most natural matches are Gemini, Libra and Aries — signs that either share Aquarius's air instinct or complement it without dimming it. Chemistry is written across the whole birth chart far more than the sun sign alone, so Aquarius can thrive with almost anyone who respects how the sign loves. The relationship works best when a partner takes Aquarius's detached tendency in stride rather than as a verdict.

Aquarius at work and with money

At work, Aquarius leads by sustaining: the one who holds the course, finishes what's begun and becomes a team's dependable backbone. The strengths that carry Aquarius professionally are being innovative, humanitarian and independent, and the roles that fit best give those room to breathe. With money, Aquarius follows its ruler: Uranus makes it unconventional, drawn to non-traditional income and quick to break the money rulebook. The financial risk traces straight back to the sign's detached streak, so a simple, boring plan does more good than any clever move. Handled with a little self-awareness, Aquarius's working style and money instinct point the same way — toward the larger life the sign is quietly building.

Aquarius: element, modality and ruler

Aquarius is the air fixed sign, ruled by Uranus — a combination that belongs to this one sign alone. Being air sets the raw material: air is intellect, language and the will to connect. Being fixed sets the timing: fixed signs hold the season and hold their ground. And Uranus as ruler adds the charge: Uranus, the spark of the new and the unbound. Put together, this is why Aquarius behaves so differently from the other two air signs — same element, but a different modality and ruler tune it toward being innovative and humanitarian.

Frequently asked questions

What dates is Aquarius?

Aquarius covers birthdays from January 20 – February 18. It is a Fixed Air sign ruled by Uranus.

What are Aquarius's traits?

Aquarius is typically innovative, humanitarian, independent, visionary and intellectual. As a Fixed Air sign, aquarius pours new ideas. Visionary, humanitarian, eccentric — the sign of the future and the collective.

What are the weaknesses of Aquarius?

Aquarius can struggle with being detached, stubborn, rebellious and aloof. Awareness of these tendencies is how a Aquarius keeps its air-sign strengths in balance.

Who is Aquarius most compatible with?

Aquarius is most naturally compatible with Gemini, Libra and Aries. These matches share or complement Aquarius's air element, though real compatibility depends on the whole birth chart rather than the sun sign alone.

What planet rules Aquarius and what does it mean?

Aquarius is ruled by Uranus. As its ruler, Uranus shapes the sign's core drive: Uranus, the spark of the new and the unbound. It is part of why Aquarius expresses its air nature the particular way it does.

What element is Aquarius?

Aquarius is an Air sign — Air Fixed, ruled by Uranus. In astrology that means air is intellect, language and the will to connect.

Aquarius in depth

Aquarius — The Water Bearer compatibility

Beyond Western astrology