13 hours 45 minutes
5 hrs, 15 mins
There are 8 hours from 6 PM to 2 AM. This includes the hours from 6 PM to midnight (6 hours) and then from midnight to 2 AM (2 hours).
There are 13 hours between 9 PM and 10 AM. This includes the 3 hours from 9 PM to midnight and the 10 hours from midnight to 10 AM.
From 5 o'clock PM to 12 o'clock PM (noon) the next day is a span of 19 hours. Specifically, it is 7 hours from 5 PM to midnight (12 AM), and then an additional 12 hours from midnight to noon.
AM (12 AM is midnight btw)
Midnight would be 12am since one min past midnight would be 12.01 am. 12pm would be in the afternoon.
From midnight (am) to Noon (pm) is 12 hours.
AM is from midnight to noon and PM is from noon to midnight. AM and PM are twelve hours each, adding up to twenty-four hours.
Midnight is neither am not pm. It is "twelve midnight".
Midnight to Noon is AM. Noon to midnight is PM.
3 hours and 15 min
5 hrs, 15 mins
1:45 PM to 3:18 PM is 1 hour and 38 minutes.
From midnight (am) to Noon (pm) is 12 hours.
There are 13 hours between 1 PM and midnight.
The term "AM to PM" typically refers to a 12-hour period, ranging from midnight (12:00 AM) to noon (12:00 PM) or from noon (12:00 PM) to midnight (11:59 PM). In a standard work context, if you mean a full workday from 9 AM to 5 PM, that equates to 8 hours of work. However, if you're referencing the entire period from AM to PM (midnight to midnight), that totals 24 hours.
Midnight occurs at 12 so yes, that is 9 hours after 3 pm.