Siyoon: Birthday & Age
| Name | Siyoon |
|---|---|
| Korean name | 시윤 |
| Group / artist | Billlie |
| Birthday | Feb 16, 2005 |
| Age | 21 years old (as of Oct 28, 2026) |
| Next birthday | D-111 · Feb 16, 2027 (Tue) · turns 22 |
| Source | Wikidata Q117805511 |
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Members with the same birthday
No other listed member was born on February 16.
Idols born on February 16 › · All February birthdays ›
Billlie: upcoming schedules
No upcoming schedules listed.
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Birthdays come from Wikidata and are listed only when the full date is recorded. Current members only; members without a confirmed birthday and virtual idols are not included. Ages are international (full) ages, and dates follow Korea time.