日本文徳天皇実録
にほんもんとくてんのうじつろく
Nihon Montoku Tennō Jitsuroku (fifth of the six classical Japanese history texts)
日天 is read as にってん (nitten) and means Surya (Hindu sun god also revered as one of the twelve devas in Shingon Buddhism).
にってん
nitten
にほんもんとくてんのうじつろく
Nihon Montoku Tennō Jitsuroku (fifth of the six classical Japanese history texts)