This article provides a guide on how to say "hello", "good morning" and "good evening" in Japanese language, as well as other common expressions of greeting and tips for greeting someone correctly. It is important to note that the phrase こんにちは (konnichiwa) should only be used during the day, while こんばんは (konbanwa) should only be used after dark. Additionally, body language such as bowing your head slightly and smiling are important gestures of respect and politeness when greeting someone in Japan.