when is yoonchae birthday

Yoonchae, the South Korean maknae of the global girl group KATSEYE, celebrates her birthday on December 6, 2007. Born Jeong Yoonchae in Seoul, she's currently 18 years old as of early 2026, having turned that age just days ago amid fan excitement.

Quick Facts

• Full Name : Jeong Yoonchae (정윤채), often stylized as Yoonchae.
• Zodiac : Sagittarius, fitting her energetic performer vibe.

• Debut : Joined KATSEYE after placing 4th on The Debut: Dream Academy in 2023; group debuted June 28, 2024, under HYBE and Geffen.

• Height/MBTI : Around 170 cm (5'7"); ESTP personality.

Fans marked her recent 18th birthday with Weverse lives, Twitter wishes from the group, and TikTok edits—KATSEYE even posted, "wishing Yoonchae the happiest 17th birthday!" last year, showing nonstop love. Reddit threads buzz about her age due to Korean vs. international reckoning, but sources lock in December 6 universally.

Fan Chatter Highlights

"Her birthday falls on December 6... Many people are saying she will be 17, but... using the standard international age system since she’s based in LA?" – r/katseye discussion.

Trendy forums note her rising star status, with IG updates like “🖤🤍🩶” pulling 1700+ upvotes, tying into birthday hype. As KATSEYE's youngest, Yoonchae's milestones—like Dream Academy survival—keep her a hot topic.

TL;DR : Yoonchae's birthday is December 6 (born 2007)—celebrate with KATSEYE tunes!

Information gathered from public forums or data available on the internet and portrayed here.