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PENTAGON Member Ages and Birthdays
South Korea · Official roster: 9 (9 birthdays recorded)
PENTAGON members from oldest to youngest: JINHO (34), HUI (33), HONGSEOK (32), SHINWON (30), YEOONE (30), YANAN (29), YUTO ADACHI (28), KINO (28), WOOSEOK (28). The oldest is JINHO, born April 17, 1992; the youngest is WOOSEOK, born January 31, 1998.
Debut date: Next debut anniversary: October 10
Support color: Uninavy (유니네이비) / official color code Pantone 282 C
Official lightstick: Uni Bong (유니봉)
Fandom name: UNIVERSE (유니버스; from "You are my universe")
Members with a nationality other than South Korea: YANAN (China), YUTO ADACHI (Japan)
Sources for support color / lightstick / fandom name: Soompi: report on the PENTAGON official light stick and official color announcement, Soompi: report on the PENTAGON official fan name announcement, Kpop Merchandise Guide: PENTAGON Uni Bong (cross-checks Pantone 282C) (verified August 28, 2026)
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Exports 9 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 |
|---|---|---|
| April 17 | JINHO 趙珍虎진호조진호ジンホCho Jin Ho | 珍虎 |
| August 28 | HUI 李會澤후이이회택フイLee Hoe Taek | Hui, Pentagon - Hui（李會澤） |
| April 17 | HONGSEOK 梁洪碩홍석양홍석ホンソクYang Hong Seok | 洪碩 |
| December 11 | SHINWON 高信源신원고신원シンウォンKoh Shin Won | 信源 |
| March 27 | YEOONE 呂暢九여원ヨウォン | Yeo Chang Gu, Yeo One, 여창구 |
| October 25 | YANAN 閆桉옌안イェンアンYan An | — |
| January 23 | YUTO ADACHI 安達祐人유토ユウトAdachi Yuto | YUTO, Yuto |
| January 27 | KINO 姜炯求키노강형구キノKang Hyeong Gu | Kino |
| January 31 | WOOSEOK 鄭禹碩우석정우석ウソクJung Woo Seok | 禹碩 |
Roster source: PENTAGON OFFICIAL SITE (CUBE official Japan site) PROFILE (retrieved August 20, 2026)
Age ranking of members (oldest to youngest)
We have full birth dates for 9 of 9 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 | Age at debut |
|---|---|---|---|---|
| 1 | JINHO | April 17, 1992 | 34 | 24 |
| 2 | HUI | August 28, 1993 | 33 | 23 |
| 3 | HONGSEOK | April 17, 1994 | 32 | 22 |
| 4 | SHINWON | December 11, 1995 | 30 | 20 |
| 5 | YEOONE | March 27, 1996 | 30 | 20 |
| 6 | YANAN | October 25, 1996 | 29 | 19 |
| 7 | YUTO ADACHI | January 23, 1998 | 28 | 18 |
| 8 | KINO | January 27, 1998 | 28 | 18 |
| 9 | WOOSEOK | January 31, 1998 | 28 | 18 |
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”.
PENTAGON Members’ Zodiac Signs
- ♈ Aries: JINHO, HONGSEOK, YEOONE
- ♍ Virgo: HUI
- ♏ Scorpio: YANAN
- ♐ Sagittarius: SHINWON
- ♒ Aquarius: YUTO ADACHI, KINO, WOOSEOK
Only members with a known birthday are included. Sign boundaries: zodiac index
This page lists all 9 members on PENTAGON’s official roster. 9 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)
We’ve logged 1 support cases for this group’s members (the combined total of each member’s cases; see each member’s page for details).
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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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 PENTAGON's members?
- PENTAGON’s official roster has 9 members. Those with a verifiable birthday on this site: JINHO April 17, HUI August 28, HONGSEOK April 17, SHINWON December 11, YEOONE March 27, YANAN October 25, YUTO ADACHI January 23, KINO January 27, WOOSEOK January 31. Each birthday’s source is cited on this page and on the person’s own page.
- How many PENTAGON members are listed on this site?
- PENTAGON: Official roster: 9. Of these, 9 have a verifiable birthday recorded on this site. This page lists all 9 members on PENTAGON’s official roster. 9 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.
- When was PENTAGON’s debut?
- PENTAGON's debut date is October 10, 2016, so every year on October 10 marks the debut anniversary. In other words, PENTAGON’s debut year is 2016. The debut anniversary is one of the most common occasions for group fan support.
- What nationalities are the members of PENTAGON?
- On this site, the PENTAGON members recorded with a nationality other than South Korea are: YANAN (China), YUTO ADACHI (Japan).
- What is PENTAGON's support color?
- PENTAGON's support color is Uninavy (유니네이비), with an officially announced color code of Pantone 282 C. The official lightstick is Uni Bong (유니봉), and the official fandom name is UNIVERSE (유니버스; from "You are my universe"). We only list details backed by an official source; anything we can’t verify is left out. Sources are cited at the bottom of this page.
- What is the age order of PENTAGON's members? Who is the oldest?
- We have birth years for 9 of 9 PENTAGON members (members with only a birth month and day can’t be ranked by age). Ordered from oldest to youngest: JINHO (born April 17, 1992), HUI (born August 28, 1993), HONGSEOK (born April 17, 1994), SHINWON (born December 11, 1995), YEOONE (born March 27, 1996), YANAN (born October 25, 1996), YUTO ADACHI (born January 23, 1998), KINO (born January 27, 1998), WOOSEOK (born January 31, 1998). The oldest is JINHO, and the youngest is WOOSEOK.
- What are the zodiac signs of PENTAGON’s members?
- Based on their birthdays: Aries: JINHO, HONGSEOK, YEOONE; Virgo: HUI; Scorpio: YANAN; Sagittarius: SHINWON; Aquarius: YUTO ADACHI, KINO, WOOSEOK. Signs use the month and day only, with the boundary dates explained on our zodiac pages.