#1
The time
In my country the time is now 4:43pmpm=Private Message
So we can confirm that 4:43pm=4:43 Private Message
Right?
pm=Private Message
So we can confirm that 4:43pm=4:43 Private Message
Right?
The time
3 postspm=Private Message
So we can confirm that 4:43pm=4:43 Private Message
Right?
#2
...As I am sure everyone knows, PM means "Post meridiem", Latin for "After noon"
Your "joke" failed. It wasn't funny and I couldn't see the humour in it
Sorry for being such a harsh cynacle person, but I just can't see any humour in what you said
#3
Ah, never mind, Mecheon. 
I know what it means.