Hyein fansites
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Hyein’s birthday, by the numbers
- Hyein was born on a Monday.
- Hyein has been alive for about 6,772 days.
- Their 10,000-day milestone falls on September 7, 2035.
- Their next birthday, turning 19, is on a Wednesday.
- Next milestone: Hyein turns 21 on April 21, 2029, in 2 years and 5 months. More milestone birthdays
- Hyein is one of the 13 youngest living celebrities on CFOTD.
- Half birthday: October 21. Birthstone: Diamond.
- Hyein belongs to Gen Z.
Age gaps
- When Hyein was born, Selena Gomez was 15. Compare
Born within weeks of Hyein
Kaylee HottleActor · March 17, 2008
Abby Ryder FortsonActor · March 14, 2008Francesco CamardaSoccer player · March 10, 2008
Harshaali MalhotraActor · June 3, 2008Vasilije KostovSoccer player · May 11, 2008
Julian HallSoccer player · March 24, 2008
Days and weekdays are worked out from the birth date. Compare Hyein’s age with anyone.
Share Hyein’s birthday, April 21?Make something for yourself or a birthday friend.
🏅Birthday certificateAdd a name, download a PDF or image🎂Printable birthday pageA free one-page PDF for April 21⭐Birthday twin cardA square card to shareBirthday wishes from fans
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Birth dates and details from Wikidata (checked October 15, 2026, newest names added October 27, 2026). Ages update every day. Photos are freely licensed and credited on each profile. How we build this site · Report a mistake
Frequently asked questions
How old is Hyein?
Hyein is 18 years old, born on April 21, 2008 in Incheon.
What is Hyein’s zodiac sign?
Taurus, born April 21.