Planetary Aspect: T-Square

A T-Square aspect occurs when three planets lock into tense, 90-degree angles (squares) with each other. This because a three-way battle of wills, with one planet wedged in the center of the other two, attempting frantically to negotiate a peace treaty.

What a T-Square aspect means

When a T-Square intensifies the skies, we are forced to make a decision, get off the fence and stop procrastinating. Unpleasant scenarios we’ve been avoiding may demand our attention, like chickens coming home to roost. T-Square energy can be forceful and unstoppable—a bit ruthless.

The energy of a T-Square aspect

In a T-Square, all the planets involved share the same “quality“—either a cardinal, mutable or fixed sign. Since there are four zodiac signs in each of these qualities, one way to resolve the T-square is to look to the missing fourth zodiac sign for balance.

A T-Square in the chartPin
A T-Square in the chart—this one was in April 2014 between Jupiter, Pluto and Uranus

What it means to have a T-Square in a birth chart

People born with T-Squares in their birth charts can also be conflicted and pulled in too many directions. They may sizzle then fizzle, not completing what they start until they develop the necessary discipline to do so. Or, they may be driven to succeed against all odds.

Accustomed to challenges from an early age, they develop strategies and strength of character, not letting any life circumstance stand in their way. This aspect is often found in the charts of CEOs, leaders and people who are known for asserting willpower and dominance.

Martha Stewart was born with a T-Square in her chart. But so was George Zimmerman, who notoriously shot Trayvon Martin in a knee-jerk reaction. The T-Square energy can be hair-trigger and anxious, causing people to make rash and biased moves from its intensity.

Which signs form a T-square with each other?


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Identical twin sisters Ophira and Tali Edut, known as The AstroTwins, are the founders of and the authors of multiple bestselling astrology books. Their horoscopes reach millions here and through their resident astrologer column at ELLE Magazine.