What does 本日 mean?
本日 is a Japanese noun meaning “today; this day” in English. It is written as 本日 in kanji, ほんじつ in hiragana, and honjitsu in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
あいにくですが本日は予約でいっぱいです。
I'm sorry, today is fully booked.