How old is Seonghyeon?

Seonghyeon was born on 13 January 2009.
Seonghyeon is 17 years old.

How old is Seonghyeon in days now?

Seonghyeon is 17 years 4 months 19 days old.
Total 6,348 days old now.

When is the next birthday of Seonghyeon?

Seonghyeon's next birthday is in 7 months 12 days.

What is the zodiac sign of Seonghyeon?

Zodiac sign of Seonghyeon is Capricorn.

Seonghyeon is a young and rising South Korean pop singer, who is also a songwriter, producer and a member of the K-pop group CORTIS. He was born in 2009, in Daejeon, South Korea, and his real name is Eom Sung-hyun. He spent his chilhdoodh years in Seo-gu and studied at Daejeon Gwanjeo Elementary School. Seonghyeon has been interested in local pop music since an early age. He joined BigHit Music in 2021 and received intensive training in vocals, performance, dance, and other entertainment production skills.

He officially debuted as a member of the group in August 2025, when CORTIS released their lead single titled “What You Want”. It was the title track of their first EP, COLOR OUTSIDE THE LINES. The song, along with their track “Go!”, quickly gained popularity and had accumulated over 10 million streams each on Spotify, as of early 2026. Seonghyeon is known as Sean by his many fans. He has an INTP personality type and likes movies, dramas, basketball, skateboarding and biking. He’s still climbing the K-pop world ladder globally.