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KOREAN ASTROLOGY · 캣츠아이

KATSEYE Yoonchae's Birth Chart

Jeung Yoonchae, born 6 December 2007 in Seoul. Here is what her chart says about being the youngest.

THE PILLARS · 사주
YEAR
丁
阴火
亥
水
猪
壬甲
MONTH
辛
阴金
亥
水
猪
壬甲
DAY
甲
阳木
戌
土
狗
戊辛丁
HOUR
—
not public
—
 
—
—
Day Master: 甲 Wood, in its outward, yang form.

Yoonchae's chart is a young tree at the start of winter, with two Pig branches of water at its roots, an upright Metal stem above, and a candle flame in the year pillar. It is a chart that is being looked after, and it grows fast because of it.

What is KATSEYE Yoonchae's personality like?

Her Day Master is the tall tree, but a young one. The two Pig branches are where this tree is born in the classical cycle, and they are full of water, the star of being nurtured and of learning. This is the unconventional kind of learning star: odd talents, sudden interests, a sense of humour that comes in from an angle. She picks things up quickly and in her own way.

The candle in her year pillar is the star of playful, clever speech, and it sits directly across from the upright Metal on her month stem. The texts note that this pairing likes to tease authority. That is the youngest who can be cheeky to her elders and get away with it.

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What does Yoonchae's chart say about being the youngest?

Upright Metal over a winter tree, with water feeding the tree from below: in the classical texts this is authority that turns into support, one of the most stable structures there is. A chart like this does well inside a system. She trained young and came up through structure, and her chart reads that as a foundation rather than a cage.

The texts say an early-winter tree needs a hard Metal axe and a candle flame. She was born with the candle, and the upright Metal stands in for the axe. Around 2027 she enters a decade of Wood on Tiger, the tree's own home ground, which reads as a big step in confidence and independence. 2026 is a Fire year that lights her expressive side, a good year for being seen as more than the youngest.

How does Yoonchae fit with the other members?

Sophia's water is what feeds Yoonchae's tree, so on paper the leader is the one nourishing the youngest. Megan's hard Metal is the axe her chart asks for, and Megan's Fire branches join Yoonchae's Dog branch.

Lara's Rabbit branch and Yoonchae's Dog branch form one of the classic six pairings, the closest branch tie in the group. Outside KATSEYE, her exact day pillar, 甲戌, is shared with TWICE's Jihyo.

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What is Korean astrology?

Korean astrology, called Saju (사주) and known in English as the Four Pillars of Destiny, reads a person from their exact birth moment rather than from a birth month alone. Four pillars, eight characters, five elements.

On method. A complete chart needs a birth time. Idol birth times are not public, so this reading works from three pillars rather than four, and says so rather than filling the gap with a guess. Your own reading uses all four.
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COMMON QUESTIONS

What is Yoonchae's birth chart in Korean astrology?

Yoonchae was born on 6 December 2007. Her chart reads 丁亥 for the year, 辛亥 for the month and 甲戌 for the day. Her Day Master is 甲 Wood, in its outward, yang form.

Is Yoonchae's Korean astrology the same as her zodiac sign?

No. Her Western zodiac sign is Sagittarius, which comes from her birth month alone. Korean astrology builds a chart from her birth year, month and day, so it reads differently and in more detail.

What is KATSEYE Yoonchae's personality like?

She is a young tree rooted in water, quick to learn and a little unconventional. A candle of clever speech facing upright Metal makes her cheeky with her elders.

Is Yoonchae's chart suited to being the youngest?

Yes. Authority in her chart turns into support, one of the most stable structures in the classical texts, so she grows well inside a group. Around 2027 a new decade brings a big step in confidence.

Why does Yoonchae's chart have no hour pillar?

A full Korean astrology chart has four pillars: year, month, day and hour. The hour pillar needs an exact birth time, which K-pop idols do not make public, so this reading works from the three pillars a birth date establishes.

The other KATSEYE members

Sophia Daniela Lara Megan All members →
Chart and reading last reviewed 1 November 2026