GOOD MORNING / GOOD NOON/ GOOD AFTERNOON/ GOOD EVENING/ GOOD NIGHT
“GOOD MORNING” is generally used from 5:00am to 12:00pm.
The word “NOON” means exact 12′ o clock or midday.
Where as “GOOD AFTERNOON” is appropriate for a period from 12:01pm to 6pm.
“GOOD EVENING“is often used after 6pm or when the sun goes down.
GOOD NIGHT” is used as parting phase that is used to say i hope you have a night that is good.

