It's the short form of the Latin phrase 'Ante Meridian' - meaning before noon. PM is short for 'Post Meridian' meaning after noon.
good morning
In English we write "Good morning" in two separate words.
one morning
Bom-dia.
Hello, Robert Hillyer wrote "Early in the Morning" in 1917.
Amarillo by morning was written by Paul fraser and Terry Stafford in 1973..
In the morning means it is am. So it is 10:32 (in 24 hour)
good morning
no
Good morning, neighbor!
Present simple - write / writes I write to her everyday. She writes to me every week. Past simple - wrote I wrote to her this morning.
The light is so bright in the morning.