なんにち 何日 Common word Wanikani level 5 Play audio LinksSentence search for 何日Sentence search for なんにちKanji details for 何 and 日Edit in JMdict Noun1. what dayNoun2. how many daysなんにち何日たいざい滞在するよてい予定ですか。How long are you going to stay? Discussions Log in to talk about this word.