SIYOON
- Legal name
- 김시윤
- Stage name
- 시윤
- English name
- SIYOON
- Age
- 21 years old
- Date of birth
- 02/16/2005
- Gender
- Female
- Zodiac sign
- ♒ Aquarius
- MBTI
- INFP
- Nationality
- 대한민국
- Place of birth
- 대한민국 서울특별시 금천구
- Current groups
- Billlie
Birthday
SIYOON was born on 02/16/2005 and is 21 years old (8 months and 23 days since the last birthday). The birth flower for 2/16 is 월계수, which symbolizes 명예. Their birthday is in 100 days.
Birth flower
Albums released by Billlie
Explore albums released by Billlie. 20 albums and 91 tracks are listed.
정규12 songsthe collective soul and unconscious: chapter two
Billlie Release date: May 6, 2026
싱글3 songscloud palace ~ false awakening
Billlie Release date: Jan 27, 2026
OST1 songsThe Savior (Japanese Ver.) (소년법칙 X Billlie)
Billlie Release date: May 18, 2025- OST2 songs
The Savior (소년법칙 X Billlie)
Billlie Release date: Feb 27, 2025 
EP6 songsOf All We Have Lost
Billlie Release date: Oct 16, 2024- EP5 songs
Knock-on Effect
Billlie Release date: Feb 7, 2024 - 싱글1 songs
DANG! (hocus pocus) - Japanese ver. -
Billlie Release date: Jan 17, 2024 - 싱글2 songs
‘the Billlie’s odditorium’ the second edition
Billlie Release date: Jan 2, 2024 - 싱글2 songs
'the Billlie's odditorium' the first edition
Billlie Release date: Nov 27, 2023 - 싱글4 songs
side-B : memoirs of echo unseen
Billlie Release date: Oct 23, 2023
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- When is SIYOON's birthday?
SIYOON's birthday is 02/16/2005.
- What is SIYOON's nationality?
SIYOON's nationality is 대한민국.
- What is SIYOON's legal name?
SIYOON's legal name is 김시윤.
- Where was SIYOON born?
SIYOON was born in 대한민국 서울특별시 금천구.