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KOREAN ASTROLOGY · 보이넥스트도어

BOYNEXTDOOR Riwoo's Birth Chart

Lee Sanghyeok, born 22 October 2003. Here is what his chart says about how he operates and where he fits in BOYNEXTDOOR.

THE PILLARS · 사주
YEAR
阴水
己丁乙
MONTH
阳水
戊辛丁
DAY
阳土
戊乙癸
HOUR
not public
 
Day Master: 戊 Earth, in its outward, yang form.

Riwoo's chart is the free-spirit kind, and an unpredictable one. Born entertainer energy runs through it — not learned showmanship, the structural sort that was always going to end up on a stage.

What is BOYNEXTDOOR Riwoo's personality like?

An unpredictable free spirit. He does not run on a schedule anyone else can see, and trying to make him is usually counterproductive.

Strong pride sits alongside it, and a real love of stylish, refined things. Taste matters to him more than it does to most people, and it is not affectation.

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What does Riwoo's chart say about money?

Strong wealth potential, paired with high spending. Both halves are in the chart, which means the money arriving is not the same thing as the money staying.

Management matters more for him than for the members who accumulate naturally. This is the one practical thing his chart asks for.

What is Riwoo's strength on stage?

Exceptional presence and performance talent. This is the clearest asset in the reading and it is not close.

The chart also says exposure compounds for him — the more he is seen, the bigger it gets. That is not true of every performer's chart, and it makes visibility a strategy rather than a side effect.

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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 Riwoo's birth chart in Korean astrology?

Riwoo was born on 22 October 2003. His chart reads 癸未 for the year, 壬戌 for the month and 戊辰 for the day. His Day Master is 戊 Earth, in its outward, yang form.

Is Riwoo's Korean astrology the same as his zodiac sign?

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

What is BOYNEXTDOOR Riwoo's personality like?

An unpredictable free spirit with born entertainer energy. Strong pride, and a real love for stylish, refined things.

What does Riwoo's chart say about money?

Strong wealth potential but also high spending, so management matters. The money arriving is not the same thing as the money staying.

Why does Riwoo'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 BOYNEXTDOOR members

Jaehyun Sungho Taesan Leehan Woonhak All six →
Chart and reading last reviewed 25 August 2026