SIYOON
Billlie BirthdayFebruary 16, 2005
- Birthday
- February 16, 2005
- Age
- 21 (in 2026; 20 before February 16)
- Group
- Billlie
- Other name spellings
- Kim Si Yoon、김시윤、시윤
Other names
- Chinese name
- SIYOON
- Korean
- 시윤
- Korean
- 김시윤
- English
- Kim Si Yoon
Want to organize birthday support for SIYOON?
The most common formats are a custom photo-booth support frame, a birthday support café, and giveaway support goods.
How & where to set up support photo booths → Custom support photo frame / booth rental →
Frequently asked questions
- When is SIYOON's birthday?
- SIYOON's birthday is February 16, 2005.
- How old is SIYOON?
- SIYOON turns 21 in 2026 (20 before their birthday on February 16). We phrase it this way so it stays correct all year, not just until the next birthday.
- How can I organize a birthday support event for SIYOON?
- Common formats include a custom photo-booth support frame, a birthday support café, support banners, and giveaway support goods. See the linked photo-booth support guide for details.
- What group is SIYOON a member of?
- SIYOON is a member of Billlie.
Sources
- SIYOON | PROFILE | Billlie JAPAN OFFICIAL FANCLUB（Agency official site (Japan fan club)）
- 中文維基百科 Billlie 成員資料（Encyclopedia）