안녕하습니까 X, 안녕하십니까? O Literal translation of 안녕(安寧, 편안할 안, 편안할 녕) means "the state being in peaceful, safe, or comportable without any sickness, illness, or accident" So, 안녕(安寧)하다. means "to be in the state peaceful, safe, or comportable without any sickness, illness, or accident" Although "안녕" or "안녕하세요" are usually translated into "Good morning/afternoon/night/bye" or "Hello" in English, the greeting manner of Korean such as 안녕 shows The Korean have had consideration for others. According to the situation, Morning greeting. 안녕히 주무셨습니까? 안녕히 주무셨어요? 잘 잤어요? 잘 잤니? 좋은 아침! Good morning. Night greeting 안녕히 주무십시오. 안녕히 주무세요. 잘 자요. 잘 자 at the time leaving home, 회사(or 학교, 학원, 친구네etc) 다녀오겠습니다. 다녀올게요. 다녀 올게. 다녀오마 Answer: 안녕히 다녀오십시오. 안녕히 다녀오세요. 안녕히 다녀와. 안녕히 다녀오너라. at the time arriving home, 회사(or 학교, 학원, etc) 다녀왔습니다. 다녀왔어요. 다녀왔어. or 아빠 왔다. 저 왔어요. 나 왔어. Answer: 잘 다녀오셨습니까? 잘 다녀왔어요? 잘 다녀왔어? 잘 다녀왔니? 잘 다녀왔느냐? at the time a guest starting to leave home. home: 안녕히 가십시오. 안녕히 가세요. 안녕! guest: 안녕히 계십시오. 안녕히 계세요. 안녕!

안녕하습니까 is a wrong expression. 안녕하십니까?안녕하세요(polite expression)=>when you say to someone which position is higher than you 안녕~=>say to your friends or the position is lower than you.