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YUHZ Member Ages and Birthdays
South Korea · Official roster: 8 (7 birthdays recorded)
YUHZ members from oldest to youngest: Bohyeon (25), Hyo (24), Haruto (23), Jaeil (19), Kai (19), Yeontae (17), Sechan (17). The oldest is Bohyeon, born May 23, 2001; the youngest is Sechan, born October 16, 2009. Birth years are on file for 7 of 8 members.
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Exports 7 recorded birthdays on this page, repeating yearly. This file does not update automatically; download and import it again after corrections. Set reminders in your calendar app.
Birthdays of all members
| Birthday | Member | Other spellings |
|---|---|---|
| February 9 | Hyo 효사이토 효 | Saito Hyo |
| May 23 | Bohyeon 보현김보현Kim Bo Hyeon | — |
| Undisclosed | Junseong roster-only entry 준성강준성Kang Jun Seong | — |
| January 10 | Jaeil 재일문재일Moon Jae Il | — |
| February 6 | Kai 츠치야 카이 | Kai (YUHZ), Tsuchiya Kai |
| March 16 | Yeontae 연태이연태Lee Yeon Tae | — |
| October 16 | Sechan 세찬박세찬Park Se Chan | — |
| October 10 | Haruto | Haruto (YUHZ), Miyake Haruto |
Roster source: Instagram @yuhz_official (retrieved November 3, 2026)
Age ranking of members (oldest to youngest)
We have full birth dates for 7 of 8 members (members with only a birth month and day are left out, since their age can’t be calculated). Ages update to today’s date.
| Rank | Member | Birthday | Age |
|---|---|---|---|
| 1 | Bohyeon | May 23, 2001 | 25 |
| 2 | Hyo | February 9, 2002 | 24 |
| 3 | Haruto | October 10, 2003 | 23 |
| 4 | Jaeil | January 10, 2007 | 19 |
| 5 | Kai | February 6, 2007 | 19 |
| 6 | Yeontae | March 16, 2009 | 17 |
| 7 | Sechan | October 16, 2009 | 17 |
Ages here are international ages (counted from the date of birth), the system South Korea has also used officially since June 2023, not “Korean age”.
Age stats
Based on the 7 of 8 people listed here with a full date of birth. People whose birthday is undisclosed or given only as a month and day are left out, and their ages are not estimated.
- Average age: 20.6 years
- Largest age gap: 8 years 4 months (oldest: Bohyeon; youngest: Sechan)
- Born the same year: 2007: Jaeil, Kai; 2009: Yeontae, Sechan
- Chinese zodiac year of birth: Metal Snake: Bohyeon, Hyo; Water Goat: Haruto; Fire Dog: Jaeil, Kai; Earth Ox: Yeontae, Sechan
Years are counted from Lunar New Year, so people born in January or February before Lunar New Year belong to the previous year’s sign.
YUHZ Members’ Zodiac Signs
Only members with a known birthday are included. Sign boundaries: zodiac index
This page lists all 8 members on YUHZ’s official roster. 7 of them have their own page on this site (our inclusion rule: someone has held a support event for them, or a verifiable identity or birthday source exists). The rest are marked “roster only” and appear only in this table. Birthdays are listed only when we find a verifiable source; otherwise they’re marked “no verifiable source found.” We never fill gaps with guesses. Spotted an error, or have a verifiable official source? Email service@joelin.cc. (email us a report)
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Events posted by fans show up here as soon as they’re published. Whether an event is also featured on the home page is a separate pick by Joe and has nothing to do with this list.
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FAQ
- What are the birthdays of YUHZ's members?
- YUHZ’s official roster has 8 members. Those with a verifiable birthday on this site: Hyo February 9, Bohyeon May 23, Jaeil January 10, Kai February 6, Yeontae March 16, Sechan October 16, Haruto October 10. We don’t have a verifiable birthday source for 1 other members yet, so they aren’t listed. Each birthday’s source is cited on this page and on the person’s own page.
- How many YUHZ members are listed on this site?
- YUHZ: Official roster: 8. Of these, 7 have a verifiable birthday recorded on this site. This page lists all 8 members on YUHZ’s official roster. 7 of them have their own page on this site (our inclusion rule: someone has held a support event for them, or a verifiable identity or birthday source exists). The rest are marked “roster only” and appear only in this table. Birthdays are listed only when we find a verifiable source; otherwise they’re marked “no verifiable source found.” We never fill gaps with guesses. Spotted an error, or have a verifiable official source? Email service@joelin.cc.
- What is the age order of YUHZ's members? Who is the oldest?
- We have birth years for 7 of 8 YUHZ members (members with only a birth month and day can’t be ranked by age). Ordered from oldest to youngest: Bohyeon (born May 23, 2001), Hyo (born February 9, 2002), Haruto (born October 10, 2003), Jaeil (born January 10, 2007), Kai (born February 6, 2007), Yeontae (born March 16, 2009), Sechan (born October 16, 2009). The oldest is Bohyeon, and the youngest is Sechan.
- What are the zodiac signs of YUHZ’s members?
- Based on their birthdays: Gemini: Bohyeon; Libra: Sechan, Haruto; Capricorn: Jaeil; Aquarius: Hyo, Kai; Pisces: Yeontae. Signs use the month and day only, with the boundary dates explained on our zodiac pages.