Good Morning , Good day, Good afternoon, Good Evening..
We use Good morning from 12:00 AM , and after 12:00 PM we usually say Good afternoon, and we use Good evening after 5 or 6:00 PM or after dark.The goodbye we use when we leave someones, in English is: "Bye"....
"See you or See you soon...
Note that you can only said this words see you or see you soon with your friends (colleagues) and When you talk with your teachers, you will say "goodbye"
