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Billlie Member Ages and Birthdays
South Korea · Official roster: 7 (7 birthdays recorded)
Billlie members from oldest to youngest: MOON SUA (27), SUHYEON (26), HARAM (25), TSUKI (24), SHEON (23), SIYOON (21), HARUNA (20). The oldest is MOON SUA, born September 9, 1999; the youngest is HARUNA, born January 30, 2006.
Debut date: Next debut anniversary: November 10
Fandom name: 빌리브
Members with a nationality other than South Korea: TSUKI (Japan), HARUNA (Japan)
Sources for debut date / leader: OSEN 2nd-anniversary written Q&A (Mystic Story-provided, 2023-11)
Sources for support color / lightstick / fandom name: OSEN 2nd-anniversary written Q&A (Mystic Story-provided, 2023-11) (verified October 21, 2026)
Make a photocard for Billlie →Make fan photocards from your own photos. Free to download.Or make a Billlie phone wallpaper from your own photo →
Exports 7 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 |
|---|---|---|
| September 9 | MOON SUA 文秀雅문수아ムンスアMoon Su A | — |
| January 15 | SUHYEON 金秀炫수현김수현キム・スヒョンKim Su Hyeon | — |
| January 13 | HARAM 金하람김하람ハラムKim Ha Ram | 하람 |
| September 21 | TSUKI 福富ツキ츠키Fukutomi Tsuki | — |
| January 28 | SHEON 션김수연ションKim Su Yeon | — |
| February 16 | SIYOON 시윤김시윤シユンKim Si Yoon | — |
| January 30 | HARUNA 大里ハルナ하루나Osato Haruna | — |
Roster source: Billlie JAPAN OFFICIAL FANCLUB PROFILE (Big Planet Made) (retrieved August 30, 2026)
Age ranking of members (oldest to youngest)
We have full birth dates for 7 of 7 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 | MOON SUA | September 9, 1999 | 27 | 22 |
| 2 | SUHYEON | January 15, 2000 | 26 | 21 |
| 3 | HARAM | January 13, 2001 | 25 | 20 |
| 4 | TSUKI | September 21, 2002 | 24 | 19 |
| 5 | SHEON | January 28, 2003 | 23 | 18 |
| 6 | SIYOON | February 16, 2005 | 21 | 16 |
| 7 | HARUNA | January 30, 2006 | 20 | 15 |
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”.
Billlie Members’ Zodiac Signs
Only members with a known birthday are included. Sign boundaries: zodiac index
This page lists all 7 members on Billlie’s official roster. 7 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)
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.
Want to hold a support event for Billlie?
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 Billlie's members?
- Billlie’s official roster has 7 members. Those with a verifiable birthday on this site: MOON SUA September 9, SUHYEON January 15, HARAM January 13, TSUKI September 21, SHEON January 28, SIYOON February 16, HARUNA January 30. Each birthday’s source is cited on this page and on the person’s own page.
- How many Billlie members are listed on this site?
- Billlie: Official roster: 7. Of these, 7 have a verifiable birthday recorded on this site. This page lists all 7 members on Billlie’s official roster. 7 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 Billlie’s debut?
- Billlie's debut date is November 10, 2021, so every year on November 10 marks the debut anniversary. In other words, Billlie’s debut year is 2021. The debut anniversary is one of the most common occasions for group fan support.
- What nationalities are the members of Billlie?
- On this site, the Billlie members recorded with a nationality other than South Korea are: TSUKI (Japan), HARUNA (Japan).
- What is Billlie's fandom name?
- Billlie's official fandom name is 빌리브. 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 Billlie's members? Who is the oldest?
- We have birth years for 7 of 7 Billlie members (members with only a birth month and day can’t be ranked by age). Ordered from oldest to youngest: MOON SUA (born September 9, 1999), SUHYEON (born January 15, 2000), HARAM (born January 13, 2001), TSUKI (born September 21, 2002), SHEON (born January 28, 2003), SIYOON (born February 16, 2005), HARUNA (born January 30, 2006). The oldest is MOON SUA, and the youngest is HARUNA.
- What are the zodiac signs of Billlie’s members?
- Based on their birthdays: Virgo: MOON SUA, TSUKI; Capricorn: SUHYEON, HARAM; Aquarius: SHEON, SIYOON, HARUNA. Signs use the month and day only, with the boundary dates explained on our zodiac pages.