PM stands for private or personal message. PM and IM "instant message" are terms used interchangeably. Sending a private message and sending an instant message are the same. Messaging programs use different termonalogy for instant messaging.
pm
1 hour difference
It is 24 hours from one noon to the next.
one and a half hours
one means morning and the other means after noon
Yes, "at one pm" is correct when specifying a time for an event or appointment occurring at 1:00 in the afternoon.
One hour after 9:57 PM is 10:57 PM.
Greece is always one hour ahead of France.1 PM CET = 2 PM EET2 PM CEST = 3 PM EEST
There are 2 hours between 1:30 PM and 3:30 PM. If you count from 1:30 PM to 2:30 PM, that's one hour, and then from 2:30 PM to 3:30 PM, that's another hour. So, the total is 2 hours.
If it is 1 pm in Central Time, it would be 2 pm in Eastern Time. Eastern Time is one hour ahead of Central Time.
6 pm PST is 7 pm MST. Mountain Standard Time (MST) is one hour ahead of Pacific Standard Time (PST).
One to five is either 4 hours or 16 hours, depending on whether the times are AM or PM. Four hours if both are AM or PM, 16 hours if one is AM and the other is PM.