930s in Japan

poetic diary written anonymously by the tenth-century Japanese poet Ki no Tsurayuki

was a after Engi and before Jōhei. This period spanned the years from April 923 through April 931. The reigning emperors were and .

was a after Jōhei and before Tenryaku. This period spanned the years from May 938 through April 947. The reigning emperors were and .

, also romanized as Shōhei, was a after Enchō and before Tengyō. This period spanned the years from April 931 through May 938. The reigning emperor was .

Japanese dictionary of Chinese characters compiled by Minamoto no Shitagō from 934-938 CE.