IN THIS LINEUP
How far apart were the oldest and youngest born?
About 3y 3moMAI · JEONG SAE BI
How this is worked out
Elapsed calendar days between the earliest and latest birth dates in this profile listing, not a ranking across groups.
WAKEONE / TEAM NOTES
izna
이즈나
A team is more than a name. Meet the birthdays and connections behind this lineup.
- Member profiles
- 6 people
- Oldest–youngest gap
- About 3y 3mo
1,181 days between birth dates
2004-10-28 → 2008-01-22
- Profile snapshot
- 2026-09-14
Not an activity-status check
THE BIRTH-YEAR MIX
Who shares a birth year?
One row per birth year. Each name is one member — no guessed ages or positions.
- 2004BORN1memberMAI
- 2005BORN1memberBANG JEE MIN
- 2006BORN1memberKOKO
- 2007BORN2membersRYU SA RANGCHOI JUNG EUN
- 2008BORN1memberJEONG SAE BI
WITHIN THIS TEAM
The little details that connect them
These are observations within izna, not rankings against other teams.
IN THIS LINEUP
Born in the same year
2 born in 2007RYU SA RANG · CHOI JUNG EUN
How this is worked out
The largest same-birth-year cohorts within this listing; every tied cohort is included. Birth year is not current age.
IN THIS LINEUP
The closest birthday celebrations
17 days between birthdaysMAI · KOKO
Birthday month/day, not age. Uses the 2000 calendar, including February 29.
How this is worked out
Month/day only, measured around the 366-day calendar of 2000, including February 29 and year-end wraparound. This is not an age gap; actual non-leap-year intervals can differ.
MEET THE NAMES
Every name, every birthday
MAI
Oldest마이
BORNBANG JEE MIN
방지민
BORNKOKO
코코
BORNRYU SA RANG
유사랑
BORNCHOI JUNG EUN
최정은
BORNJEONG SAE BI
Youngest정세비
BORN
KEEP THE CONVERSATION GOING
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CHECK THE SOURCE
Where these details come from
Names and birth dates listed on the official profile at the stated check date. This is not a debut roster or an activity, hiatus, or departure history. Summaries are calculated from this listing, not official awards or all-K-pop rankings.
- Profile publisher
- WAKEONE
- Snapshot date
- 2026-09-14
- Birth-date coverage
- 6 / 6 profiles
This is a dated profile snapshot, not a claim about contracts or current activity. Calculations use the birth dates listed above. Official profiles can change.