They are under Dream Tea Entertainment.
Birth Name: Park So Jin
Stage Name: Sojin
Birthday: May 21, 1986
Position: Leader, Lead Vocalist
Height: 167 cm
Weight: 47 kg
Blood Type: AB
Hobbies: Cleaning, searching for a good song, writing music, browsing YouTube video, shopping, eating snacks, playing piano
Skills: Piano, calligraphy
Favorite Color: black, white, purple
Siblings: younger brother
Instagram: @ssozi_sojin
Twitter: @Girls_Day_SojinBirth Name: Bang Min Ah
Stage Name: Minah
Birthday: May 13, 1993
Position: Main Vocalist, Face of The Group
Height: 165 cm
Weight: 47 kg
Blood Type: O
Hobbies: Watching movies, dancing, listening to music, making facial expression
Skills: Acting cute, piano, dancing, singing, impersonating Lena Park
Favorite Color: Red
Siblings: older sister
Instagram: @bbang_93
Twitter: @Girls_Day_MinahBirth Name: Kim Ah Young
Stage Name: Yura
Birthday: November 6, 1992
Position: Main Rapper, Vocalist
Height: 168 cm
Weight: 49 kg
Blood Type: O
Hobbies: Painting, dancing, listening to music
Skills: Outstanding dance skills
Favorite Color: strawberry milk color
Instagram: @yura_936
Twitter: @Girls_Day_YuraBirth Name: Lee Hye Ri
Stage Name: Hyeri
Nickname: Big Laugh Hyeri
Birthday: June 9, 1994
Position: Maknae, Vocalist, Sub Rapper
Height: 167 cm
Weight: 46 kg
Blood Type: AB
Hobbies: Watching movies, reading books
Skills: Marathon, writing
Favorite Color: black, red, purple
Siblings: younger sister
Instagram: @hyeri_0609
Twitter: @Girls_Day_HyeriFormer Members
Birth Name: Hwang Ji Sun
Stage Name: Jisun
Birthday: October 17, 1989
Position: Vocalist
Height: 165 cm
Weight: 45 kg
Twitter: @NewfoJN
-Now known as JN, leader of new group New F.OBirth Name: Lee Ji In
Stage Name: Jiin
Birthday: March 13, 1992
Height: 167 cm
Weight: 45 kg
Blood Type: O
-Left group to become actress
-She is best friends with fellow former Girls Day member JihaeBirth Name: Woo Ji Hae
Stage Name: Jihae
Birthday: May 14, 1989
Position: Girl's Day 'Power Dance', Rapper
Height: 163 cm
Weight: 43 kg
Blood Type: B
Hobbies: Music appreciation, shopping, exercising (gym), yoga
Skills: Korean dance, modern dance, ballet, hiking/climbing
Favorite Color: White, gray, black
Siblings: only child
Twitter: @wooj_crown
-She is best friends with fellow former Girls Day member Jiin