GOOD DAY Members Profile: GOOD DAY Facts GOOD DAY (굿데이) was a South Korean girl group that consisted of 10 members. The group debuted in August 2017, under C9 Entertainment. Unfortunately, in 2019 GOOD DAY had silently disbanded. GOOD DAY Fandom Name: HARU GOOD DAY Official Color: – GOOD DAY Official Accounts: Twitter: @goodday_c9 Instagram: @goodday_c9 … Continue reading GOOD DAY (굿데이) Members Profile & Facts