ALLDAY PROJECT
South Korea · Official roster: 5 (5 birthdays recorded)
ALLDAY PROJECT members from oldest to youngest: ANNIE (24), TARZZAN (24), BAILEY (22), WOOCHAN (21), YOUNGSEO (20). The oldest is ANNIE, born January 23, 2002; the youngest is YOUNGSEO, born November 13, 2005.
Debut date: Next debut anniversary: June 23
Birthdays of all members
| Birthday | Member | Other spellings |
|---|---|---|
| January 23 | ANNIE 文徐允애니문서윤アニー | Annie Moon, Moon Seoyoon |
| September 27 | TARZZAN 李埰源타잔이채원ターザンLee Chaewon | — |
| February 24 | BAILEY 石有真베일리ベイリーBailey Sok | — |
| January 20 | WOOCHAN 趙旴燦우찬조우찬ウチャンJo Woochan | — |
| November 13 | YOUNGSEO 李榮書영서이영서ヨンソLee Youngseo | — |
Roster source: English Wikipedia: AllDay Project (five members); THEBLACKLABEL's official artist page theblacklabel.com/artists/allday-project/ has only a group introduction and awards, no member list (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 | ANNIE | January 23, 2002 | 24 |
| 2 | TARZZAN | September 27, 2002 | 24 |
| 3 | BAILEY | February 24, 2004 | 22 |
| 4 | WOOCHAN | January 20, 2005 | 21 |
| 5 | YOUNGSEO | November 13, 2005 | 20 |
ALLDAY PROJECT Members’ Zodiac Signs
Only members with a known birthday are included. Sign boundaries: zodiac index
This page lists all 5 members on ALLDAY PROJECT’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 (debut anniversary).
Want to hold a support event for ALLDAY PROJECT?
Group support usually centers on debut anniversaries and concerts. Each member’s birthday is in the table above.
FAQ
- What are the birthdays of ALLDAY PROJECT's members?
- ALLDAY PROJECT’s official roster has 5 members. Those with a verifiable birthday on this site: ANNIE January 23, TARZZAN September 27, BAILEY February 24, WOOCHAN January 20, YOUNGSEO November 13. Each birthday’s source is cited on this page and on the person’s own page.
- How many ALLDAY PROJECT members are listed on this site?
- ALLDAY PROJECT: Official roster: 5. Of these, 5 have a verifiable birthday recorded on this site. This page lists all 5 members on ALLDAY PROJECT’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.
- When was ALLDAY PROJECT’s debut?
- ALLDAY PROJECT's debut date is June 23, 2025, so every year on June 23 marks the debut anniversary. In other words, ALLDAY PROJECT’s debut year is 2025. The debut anniversary is one of the most common occasions for group fan support.
- What is the age order of ALLDAY PROJECT's members? Who is the oldest?
- We have birth years for 5 of 5 ALLDAY PROJECT members (members with only a birth month and day can’t be ranked by age). Ordered from oldest to youngest: ANNIE (born January 23, 2002), TARZZAN (born September 27, 2002), BAILEY (born February 24, 2004), WOOCHAN (born January 20, 2005), YOUNGSEO (born November 13, 2005). The oldest is ANNIE, and the youngest is YOUNGSEO.
- What are the zodiac signs of ALLDAY PROJECT’s members?
- Based on their birthdays: Libra: TARZZAN; Scorpio: YOUNGSEO; Aquarius: ANNIE, WOOCHAN; Pisces: BAILEY. 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