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TUIDE Member Ages and Birthdays
South Korea · Official roster: 7 (5 birthdays recorded)
TUIDE members from oldest to youngest: Seohee (20), Seoyeon (18), Elena (18), Park Jia (18), Seah (15). The oldest is Seohee, born October 11, 2006; the youngest is Seah, born January 4, 2011.
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Exports 5 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 |
|---|---|---|
| October 11 | Seohee 서희박서희Park Seo-hee | — |
| March 4 | Seoyeon 서연박서연 | Park Seoyeon, Seoyeon (TUIDE) |
| April 11 | Elena 엘레나 | Elena Yena Kwon |
| August 22 | Park Jia 지아박지아 | — |
| January 4 | Seah 세아박세아 | Park Seah |
Roster source: Instagram @tuide_abd (retrieved November 3, 2026)
Age ranking of members (oldest to youngest)
We have full birth dates for 5 of 5 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 | Seohee | October 11, 2006 | 20 |
| 2 | Seoyeon | March 4, 2008 | 18 |
| 3 | Elena | April 11, 2008 | 18 |
| 4 | Park Jia | August 22, 2008 | 18 |
| 5 | Seah | January 4, 2011 | 15 |
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 5 of 5 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: 17.8 years
- Largest age gap: 4 years 2 months (oldest: Seohee; youngest: Seah)
- Born the same year: 2008: Seoyeon, Elena, Park Jia
- Chinese zodiac year of birth: Fire Dog: Seohee; Earth Rat: Seoyeon, Elena, Park Jia; Metal Tiger: Seah
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.
TUIDE Members’ Zodiac Signs
Only members with a known birthday are included. Sign boundaries: zodiac index
This page lists all 5 members on TUIDE’s official roster. 5 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)
Fan Events
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 TUIDE's members?
- TUIDE’s official roster has 5 members. Those with a verifiable birthday on this site: Seohee October 11, Seoyeon March 4, Elena April 11, Park Jia August 22, Seah January 4. Each birthday’s source is cited on this page and on the person’s own page.
- How many TUIDE members are listed on this site?
- TUIDE: Official roster: 7. Of these, 5 have a verifiable birthday recorded on this site. This page lists all 5 members on TUIDE’s official roster. 5 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 TUIDE's members? Who is the oldest?
- We have birth years for 5 of 5 TUIDE members (members with only a birth month and day can’t be ranked by age). Ordered from oldest to youngest: Seohee (born October 11, 2006), Seoyeon (born March 4, 2008), Elena (born April 11, 2008), Park Jia (born August 22, 2008), Seah (born January 4, 2011). The oldest is Seohee, and the youngest is Seah.
- What are the zodiac signs of TUIDE’s members?
- Based on their birthdays: Aries: Elena; Leo: Park Jia; Libra: Seohee; Capricorn: Seah; Pisces: Seoyeon. Signs use the month and day only, with the boundary dates explained on our zodiac pages.