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MAMAMOO Member Ages and Birthdays
South Korea · Official roster: 4 (4 birthdays recorded)
MAMAMOO members from oldest to youngest: Solar (35), Moon Byul (33), Wheein (31), Hwasa (31). The oldest is Solar, born February 21, 1991; the youngest is Hwasa, born July 23, 1995.
Fandom name: MooMoo (무무)
Sources for support color / lightstick / fandom name: iMBC Entertainment (RBW announcement of 12th-anniversary project) (verified October 21, 2026)
Make a photocard for MAMAMOO →Make fan photocards from your own photos. Free to download.Or make a MAMAMOO phone wallpaper from your own photo →
Exports 4 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 |
|---|---|---|
| February 21 | Solar 頌樂솔라김용선ソラKim Yong-sun | — |
| December 22 | Moon Byul 文星伊문별ムンビョルMoon Byul-yi | 玟星, 문별이 |
| April 17 | Wheein 輝人정휘인フィインJung Whee-in | Whee In |
| July 23 | Hwasa 花沙안혜진ファサAhn Hye-jin | Hwa Sa |
Roster source: MAMAMOO JAPAN OFFICIAL FANCLUB"MOOMOO JAPAN"PROFILE (retrieved August 30, 2026)
Age ranking of members (oldest to youngest)
We have full birth dates for 4 of 4 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 | Solar | February 21, 1991 | 35 |
| 2 | Moon Byul | December 22, 1992 | 33 |
| 3 | Wheein | April 17, 1995 | 31 |
| 4 | Hwasa | July 23, 1995 | 31 |
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”.
MAMAMOO Members’ Zodiac Signs
Only members with a known birthday are included. Sign boundaries: zodiac index
This page lists all 4 members on MAMAMOO’s official roster. 4 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.
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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 MAMAMOO's members?
- MAMAMOO’s official roster has 4 members. Those with a verifiable birthday on this site: Solar February 21, Moon Byul December 22, Wheein April 17, Hwasa July 23. Each birthday’s source is cited on this page and on the person’s own page.
- How many MAMAMOO members are listed on this site?
- MAMAMOO: Official roster: 4. Of these, 4 have a verifiable birthday recorded on this site. This page lists all 4 members on MAMAMOO’s official roster. 4 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 MAMAMOO's fandom name?
- MAMAMOO's official fandom name is MooMoo (무무). 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 MAMAMOO's members? Who is the oldest?
- We have birth years for 4 of 4 MAMAMOO members (members with only a birth month and day can’t be ranked by age). Ordered from oldest to youngest: Solar (born February 21, 1991), Moon Byul (born December 22, 1992), Wheein (born April 17, 1995), Hwasa (born July 23, 1995). The oldest is Solar, and the youngest is Hwasa.
- What are the zodiac signs of MAMAMOO’s members?
- Based on their birthdays: Aries: Wheein; Leo: Hwasa; Capricorn: Moon Byul; Pisces: Solar. Signs use the month and day only, with the boundary dates explained on our zodiac pages.