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B1A4 Member Ages and Birthdays
South Korea · 3 members listed (3 with birthday data)
B1A4 members from oldest to youngest: CNU (35), Sandeul (34), Gongchan (33). The oldest is CNU, born June 16, 1991; the youngest is Gongchan, born August 14, 1993.
Debut date: Next debut anniversary: April 21
Sources for debut date / leader: B1A4 JAPAN OFFICIAL SITE (RBW JAPAN) – Profile
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Exports 3 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
Age ranking of members (oldest to youngest)
We have full birth dates for 3 of 3 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 | CNU | June 16, 1991 | 35 | 19 |
| 2 | Sandeul | March 20, 1992 | 34 | 19 |
| 3 | Gongchan | August 14, 1993 | 33 | 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”.
B1A4 Members’ Zodiac Signs
Only members with a known birthday are included. Sign boundaries: zodiac index
This is a third-party fan support site, not a complete artist directory: we list people only if someone has held a support event for them or a verifiable identity or birthday source exists. So this list may have fewer members than B1A4 actually has. Know who’s missing, 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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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 B1A4's members?
- Birthdays of B1A4’s members recorded on this site: Sandeul March 20, CNU June 16, Gongchan August 14. Each birthday’s source is cited on the person’s own page.
- How many B1A4 members are listed on this site?
- We currently list 3 B1A4 members; 3 of them have birthday data. This is a third-party fan support site, not a complete artist directory: we list people only if someone has held a support event for them or a verifiable identity or birthday source exists. So this list may have fewer members than B1A4 actually has. Know who’s missing, or have a verifiable official source? Email service@joelin.cc.
- When was B1A4’s debut?
- B1A4's debut date is April 21, 2011, so every year on April 21 marks the debut anniversary. In other words, B1A4’s debut year is 2011. The debut anniversary is one of the most common occasions for group fan support.
- What is the age order of B1A4's members? Who is the oldest?
- We have birth years for 3 of 3 B1A4 members (members with only a birth month and day can’t be ranked by age). Ordered from oldest to youngest: CNU (born June 16, 1991), Sandeul (born March 20, 1992), Gongchan (born August 14, 1993). The oldest is CNU, and the youngest is Gongchan.
- What are the zodiac signs of B1A4’s members?
- Based on their birthdays: Gemini: CNU; Leo: Gongchan; Pisces: Sandeul. Signs use the month and day only, with the boundary dates explained on our zodiac pages.