1461 Nichi no Clessidra

 (1461日のクレシドラ) is a five-member Japanese idol group formed on July 29, 2022.

They made their stage debut on September 16, 2022 @Shinjuku ReNY.

Current Members

 * Ida Erina (伊田江里奈)
 * Otsuki Seina (大月星奈)
 * Ichinose Nao (一ノ瀬直緒)
 * Yamashita Moe (山下萌)
 * Yoshida Rino (吉田梨乃)

Former Members

 * Seto Ayaka (瀬戸彩郁) (Graduated April 13, 2023)
 * Nishikawa Maria (西川まりあ) (Left June 27, 2023)

Trivia

 * They consist only of active university students, and will be active for 1461 days (4 years)