正統カリフ時代 せいとうカリフじだい Meanings Noun Rashidun period (period of the Rightly Guided Caliphs; 632-661 CE) Kanji 正 correct. Read as セイ. 統 unify. Read as トウ. 時 time 代 era. Read as ダイ. Jinuma: Japanese Dictionary · Word lists