831
Taiwan · Official roster: 5 (5 birthdays recorded)
831 members from oldest to youngest: A Dian (43), Xiao Ju (41), Liu Bi (41), A Pu (41), Ba Tian (41). The oldest is A Dian, born November 25, 1982; the youngest is Ba Tian, born July 18, 1985.
Birthdays of all members
| Birthday | Member | Other spellings |
|---|---|---|
| February 27 | A Pu 李賢璞 | 阿璞 |
| November 1 | Xiao Ju 楊佳運 | 小橘 |
| November 11 | Liu Bi 劉彥輝 | 劉逼 |
| July 18 | Ba Tian 鄧有宗 | 霸天 |
| November 25 | A Dian 蔡易展 | 阿電 |
Roster source: Chinese Wikipedia: 八三夭 (5 current members; consistent with 台灣流行音樂維基館) (retrieved 2026-09-25)
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 | A Dian | November 25, 1982 | 43 |
| 2 | Xiao Ju | November 1, 1984 | 41 |
| 3 | Liu Bi | November 11, 1984 | 41 |
| 4 | A Pu | February 27, 1985 | 41 |
| 5 | Ba Tian | July 18, 1985 | 41 |
831 Members’ Zodiac Signs
Only members with a known birthday are included. Sign boundaries: zodiac index
This page lists all 5 members on 831’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)
We’ve also logged 1 support cases for the group as a whole (concert).
Want to hold a support event for 831?
Group support usually centers on debut anniversaries and concerts. Each member’s birthday is in the table above.
FAQ
- What are the birthdays of 831's members?
- 831’s official roster has 5 members. Those with a verifiable birthday on this site: A Pu February 27, Xiao Ju November 1, Liu Bi November 11, Ba Tian July 18, A Dian November 25. Each birthday’s source is cited on this page and on the person’s own page.
- How many 831 members are listed on this site?
- 831: Official roster: 5. Of these, 5 have a verifiable birthday recorded on this site. This page lists all 5 members on 831’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 831's members? Who is the oldest?
- We have birth years for 5 of 5 831 members (members with only a birth month and day can’t be ranked by age). Ordered from oldest to youngest: A Dian (born November 25, 1982), Xiao Ju (born November 1, 1984), Liu Bi (born November 11, 1984), A Pu (born February 27, 1985), Ba Tian (born July 18, 1985). The oldest is A Dian, and the youngest is Ba Tian.
- What are the zodiac signs of 831’s members?
- Based on their birthdays: Cancer: Ba Tian; Scorpio: Xiao Ju, Liu Bi; Sagittarius: A Dian; Pisces: A Pu. Signs use the month and day only, with the boundary dates explained on our zodiac pages.
View this page in Chinese → · Back to group index · Birthday calendar