| Origin |
Seoul, South Korea |
| Debut |
N/A |
| Disbanded |
2021 |
| Number of Members |
4 |
| Members |
Hyeyeon
Xiyoung
Chaeeun
Zizi
Dayul |
| Oldest Member |
Hyeyeon |
| Youngest Member (Maknae) |
Zizi |
Birthday Former Members Profile
Hyeyeon
| Full Name |
Ko Hyeyeon |
| Birthday |
March 18, 1994 |
| Birthplace |
N/A |
| Age |
32 years and 6 months old |
| Height |
N/A |
| Zodiac Sign |
Pisces |
| Position |
Leader |
| Instagram |
kkohyeyeon |
Xiyoung
| Full Name |
Park Jooyoon |
| Birthday |
January 07, 1997 |
| Birthplace |
N/A |
| Age |
29 years and 9 months old |
| Height |
5 feet 4 inches (163 cm) |
| Zodiac Sign |
Capricorn |
| Instagram |
xiyoung.xom |
Chaeeun
| Full Name |
Lee Chaeeun |
| Birthday |
March 25, 1997 |
| Birthplace |
N/A |
| Age |
29 years and 6 months old |
| Height |
5 feet 5 inches (165 cm) |
| Weight |
94 lbs (43 kg) |
| Zodiac Sign |
Aries |
| Blood Type |
A |
| Position |
Lead Vocalist |
| Instagram |
1m_3.25 |
Zizi
| Full Name |
Ko Jisu |
| Birthday |
February 26, 1998 |
| Birthplace |
N/A |
| Age |
28 years and 7 months old |
| Height |
N/A |
| Zodiac Sign |
Pisces |
| Position |
Maknae |
| Instagram |
gsu0226 |
Dayul
| Full Name |
Kang Dabin |
| Birthday |
May 09, 1997 |
| Birthplace |
N/A |
| Age |
29 years and 5 months old |
| Height |
5 feet 7 inches (170 cm) |
| Weight |
99 lbs (45 kg) |
| Zodiac Sign |
Taurus |
| Blood Type |
A |
| Position |
Main Vocalist |
| Instagram |
_bi_nio5o9 |
Member Ages: Oldest to Youngest
| Member |
Birthday |
Age |
| Hyeyeon |
March 18, 1994 |
32 years, 6 months, 25 days old |
| Xiyoung |
January 07, 1997 |
29 years, 9 months, 6 days old |
| Chaeeun |
March 25, 1997 |
29 years, 6 months, 18 days old |
| Dayul |
May 09, 1997 |
29 years, 5 months, 4 days old |
| Zizi |
February 26, 1998 |
28 years, 7 months, 17 days old |
FAQs
How many members are in Birthday?
Birthday is a 4-member K-pop girl group. The group consists of Hyeyeon, Xiyoung, Chaeeun, Zizi, and Dayul.