Here are 7 important times or parts of the day in English.
This is the middle of the night (00:00 hours).
This is the middle of the day, also called "NOON" (12:00 hours).
This is the time from midnight to midday.
This is the time from midday (noon) to evening.
From 12:00 hours to approximately 18:00 hours.
This is the time from the end of the afternoon to midnight.
From approximately 18:00 hours to 00:00 hours.
This is the time when the sun rises or comes up (sunrise).
This is the time when the sun sets or goes down (sunset).