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idntt Member Ages and Birthdays
South Korea · Official roster: 20 (20 birthdays recorded)
idntt members from oldest to youngest: Nam Ji-woon (24), Kim Do-hun (23), Lee Cheong-myeong (23), Kim Eun-sung (22), Choi Tae-in (20), Han Ye-joon (20), Towa (20), Kim Ju-ho (20), Kim Seong-jun (20), Kim Hee-ju (20), Cho Eun-chan (19), Lee Jae-young (19), Kwak Gi-woong (18), Yang Gyung-ho (18), Choi Gyeong-been (18), Lee Joo-heon (18), Park Nu-ri (17), Hwang Eun-soo (17), Lee Hwan-hee (17), Lee Kyu-hyuk (16). The oldest is Nam Ji-woon, born July 7, 2002; the youngest is Lee Kyu-hyuk, born August 6, 2010.
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Exports 20 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 |
|---|---|---|
| July 7 | Nam Ji-woon 남지운 | — |
| March 3 | Kim Do-hun | — |
| June 4 | Lee Cheong-myeong 이청명 | — |
| May 10 | Kim Eun-sung 김은성 | — |
| November 17 | Choi Tae-in 최태인 | — |
| March 13 | Han Ye-joon 한예준 | — |
| April 9 | Towa 토와이이다 토와 | Iida Towa |
| July 28 | Kim Ju-ho 김주호 | — |
| September 26 | Kim Seong-jun 김성준 | — |
| October 25 | Kim Hee-ju 김희주 | — |
| September 7 | Cho Eun-chan 조은찬 | — |
| October 3 | Lee Jae-young 이재영 | — |
| January 1 | Kwak Gi-woong 곽기웅 | — |
| February 25 | Yang Gyung-ho 양경호 | — |
| September 4 | Choi Gyeong-been 최경빈 | — |
| October 11 | Lee Joo-heon | Lee Joo-heon (idntt) |
| December 4 | Park Nu-ri 박누리 | — |
| June 10 | Hwang Eun-soo 황은수 | — |
| July 11 | Lee Hwan-hee 이환희 | — |
| August 6 | Lee Kyu-hyuk 이규혁 | — |
Roster source: Instagram @idntt_cosmo (retrieved November 3, 2026)
Age ranking of members (oldest to youngest)
We have full birth dates for 20 of 20 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 | Nam Ji-woon | July 7, 2002 | 24 |
| 2 | Kim Do-hun | March 3, 2003 | 23 |
| 3 | Lee Cheong-myeong | June 4, 2003 | 23 |
| 4 | Kim Eun-sung | May 10, 2004 | 22 |
| 5 | Choi Tae-in | November 17, 2005 | 20 |
| 6 | Han Ye-joon | March 13, 2006 | 20 |
| 7 | Towa | April 9, 2006 | 20 |
| 8 | Kim Ju-ho | July 28, 2006 | 20 |
| 9 | Kim Seong-jun | September 26, 2006 | 20 |
| 10 | Kim Hee-ju | October 25, 2006 | 20 |
| 11 | Cho Eun-chan | September 7, 2007 | 19 |
| 12 | Lee Jae-young | October 3, 2007 | 19 |
| 13 | Kwak Gi-woong | January 1, 2008 | 18 |
| 14 | Yang Gyung-ho | February 25, 2008 | 18 |
| 15 | Choi Gyeong-been | September 4, 2008 | 18 |
| 16 | Lee Joo-heon | October 11, 2008 | 18 |
| 17 | Park Nu-ri | December 4, 2008 | 17 |
| 18 | Hwang Eun-soo | June 10, 2009 | 17 |
| 19 | Lee Hwan-hee | July 11, 2009 | 17 |
| 20 | Lee Kyu-hyuk | August 6, 2010 | 16 |
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 20 of 20 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: 19.5 years
- Largest age gap: 8 years (oldest: Nam Ji-woon; youngest: Lee Kyu-hyuk)
- Born the same year: 2003: Kim Do-hun, Lee Cheong-myeong; 2006: Han Ye-joon, Towa, Kim Ju-ho, Kim Seong-jun, Kim Hee-ju; 2007: Cho Eun-chan, Lee Jae-young; 2008: Kwak Gi-woong, Yang Gyung-ho, Choi Gyeong-been, Lee Joo-heon, Park Nu-ri; 2009: Hwang Eun-soo, Lee Hwan-hee
- Chinese zodiac year of birth: Water Horse: Nam Ji-woon; Water Goat: Kim Do-hun, Lee Cheong-myeong; Wood Monkey: Kim Eun-sung; Wood Rooster: Choi Tae-in; Fire Dog: Han Ye-joon, Towa, Kim Ju-ho, Kim Seong-jun, Kim Hee-ju; Fire Pig: Cho Eun-chan, Lee Jae-young, Kwak Gi-woong; Earth Rat: Yang Gyung-ho, Choi Gyeong-been, Lee Joo-heon, Park Nu-ri; Earth Ox: Hwang Eun-soo, Lee Hwan-hee; Metal Tiger: Lee Kyu-hyuk
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.
idntt Members’ Zodiac Signs
- ♈ Aries: Towa
- ♉ Taurus: Kim Eun-sung
- ♊ Gemini: Lee Cheong-myeong, Hwang Eun-soo
- ♋ Cancer: Nam Ji-woon, Lee Hwan-hee
- ♌ Leo: Kim Ju-ho, Lee Kyu-hyuk
- ♍ Virgo: Cho Eun-chan, Choi Gyeong-been
- ♎ Libra: Kim Seong-jun, Lee Jae-young, Lee Joo-heon
- ♏ Scorpio: Choi Tae-in, Kim Hee-ju
- ♐ Sagittarius: Park Nu-ri
- ♑ Capricorn: Kwak Gi-woong
- ♓ Pisces: Kim Do-hun, Han Ye-joon, Yang Gyung-ho
Only members with a known birthday are included. Sign boundaries: zodiac index
This page lists all 20 members on idntt’s official roster. 20 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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Group support usually centers on debut anniversaries and concerts. Each member’s birthday is in the table above.
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FAQ
- What are the birthdays of idntt's members?
- idntt’s official roster has 20 members. Those with a verifiable birthday on this site: Nam Ji-woon July 7, Kim Do-hun March 3, Lee Cheong-myeong June 4, Kim Eun-sung May 10, Choi Tae-in November 17, Han Ye-joon March 13, Towa April 9, Kim Ju-ho July 28, Kim Seong-jun September 26, Kim Hee-ju October 25, Cho Eun-chan September 7, Lee Jae-young October 3, Kwak Gi-woong January 1, Yang Gyung-ho February 25, Choi Gyeong-been September 4, Lee Joo-heon October 11, Park Nu-ri December 4, Hwang Eun-soo June 10, Lee Hwan-hee July 11, Lee Kyu-hyuk August 6. Each birthday’s source is cited on this page and on the person’s own page.
- How many idntt members are listed on this site?
- idntt: Official roster: 20. Of these, 20 have a verifiable birthday recorded on this site. This page lists all 20 members on idntt’s official roster. 20 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 idntt's members? Who is the oldest?
- We have birth years for 20 of 20 idntt members (members with only a birth month and day can’t be ranked by age). Ordered from oldest to youngest: Nam Ji-woon (born July 7, 2002), Kim Do-hun (born March 3, 2003), Lee Cheong-myeong (born June 4, 2003), Kim Eun-sung (born May 10, 2004), Choi Tae-in (born November 17, 2005), Han Ye-joon (born March 13, 2006), Towa (born April 9, 2006), Kim Ju-ho (born July 28, 2006), Kim Seong-jun (born September 26, 2006), Kim Hee-ju (born October 25, 2006), Cho Eun-chan (born September 7, 2007), Lee Jae-young (born October 3, 2007), Kwak Gi-woong (born January 1, 2008), Yang Gyung-ho (born February 25, 2008), Choi Gyeong-been (born September 4, 2008), Lee Joo-heon (born October 11, 2008), Park Nu-ri (born December 4, 2008), Hwang Eun-soo (born June 10, 2009), Lee Hwan-hee (born July 11, 2009), Lee Kyu-hyuk (born August 6, 2010). The oldest is Nam Ji-woon, and the youngest is Lee Kyu-hyuk.
- What are the zodiac signs of idntt’s members?
- Based on their birthdays: Aries: Towa; Taurus: Kim Eun-sung; Gemini: Lee Cheong-myeong, Hwang Eun-soo; Cancer: Nam Ji-woon, Lee Hwan-hee; Leo: Kim Ju-ho, Lee Kyu-hyuk; Virgo: Cho Eun-chan, Choi Gyeong-been; Libra: Kim Seong-jun, Lee Jae-young, Lee Joo-heon; Scorpio: Choi Tae-in, Kim Hee-ju; Sagittarius: Park Nu-ri; Capricorn: Kwak Gi-woong; Pisces: Kim Do-hun, Han Ye-joon, Yang Gyung-ho. Signs use the month and day only, with the boundary dates explained on our zodiac pages.