P1Harmony
South Korea · Official roster: 6 (6 birthdays recorded)
P1Harmony members from oldest to youngest: THEO (25), KEEHO (25), JIUNG (25), INTAK (23), SOUL (21), JONGSEOB (20). The oldest is THEO, born July 1, 2001; the youngest is JONGSEOB, born November 19, 2005.
Birthdays of all members
| Birthday | Member | Other spellings |
|---|---|---|
| July 1 | THEO 崔太洋테오최태양テオChoi Tae-yang | — |
| September 27 | KEEHO 尹起昊기호윤기호ギホYoon Kee-ho | — |
| October 7 | JIUNG 崔智雄지웅최지웅ジウンChoi Ji-ung | — |
| August 31 | INTAK 黃寅拓인탁황인탁インタクHwang In-tak | — |
| February 1 | SOUL 白翔太소울Haku Shota | ソウル, 하쿠 쇼타 |
| November 19 | JONGSEOB 金鐘燮종섭김종섭キム・ジョンソプKim Jong-seob | — |
Roster source: Chinese Wikipedia: P1Harmony — member list (Korean and English Wikipedia also list six) (retrieved 2026-09-25)
Age ranking of members (oldest to youngest)
We have full birth dates for 6 of 6 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 | THEO | July 1, 2001 | 25 |
| 2 | KEEHO | September 27, 2001 | 25 |
| 3 | JIUNG | October 7, 2001 | 25 |
| 4 | INTAK | August 31, 2003 | 23 |
| 5 | SOUL | February 1, 2005 | 21 |
| 6 | JONGSEOB | November 19, 2005 | 20 |
P1Harmony Members’ Zodiac Signs
Only members with a known birthday are included. Sign boundaries: zodiac index
This page lists all 6 members on P1Harmony’s official roster. 6 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)
Want to hold a support event for P1Harmony?
Group support usually centers on debut anniversaries and concerts. Each member’s birthday is in the table above.
FAQ
- What are the birthdays of P1Harmony's members?
- P1Harmony’s official roster has 6 members. Those with a verifiable birthday on this site: THEO July 1, KEEHO September 27, JIUNG October 7, INTAK August 31, SOUL February 1, JONGSEOB November 19. Each birthday’s source is cited on this page and on the person’s own page.
- How many P1Harmony members are listed on this site?
- P1Harmony: Official roster: 6. Of these, 6 have a verifiable birthday recorded on this site. This page lists all 6 members on P1Harmony’s official roster. 6 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 P1Harmony's members? Who is the oldest?
- We have birth years for 6 of 6 P1Harmony members (members with only a birth month and day can’t be ranked by age). Ordered from oldest to youngest: THEO (born July 1, 2001), KEEHO (born September 27, 2001), JIUNG (born October 7, 2001), INTAK (born August 31, 2003), SOUL (born February 1, 2005), JONGSEOB (born November 19, 2005). The oldest is THEO, and the youngest is JONGSEOB.
- What are the zodiac signs of P1Harmony’s members?
- Based on their birthdays: Cancer: THEO; Virgo: INTAK; Libra: KEEHO, JIUNG; Scorpio: JONGSEOB; Aquarius: SOUL. Signs use the month and day only, with the boundary dates explained on our zodiac pages.
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