noon: midi (or douze heures) - 13H00: treize heures - 14H00: quatorze heures - 15H00: quinze heures - 16H00: seize heures -dix-sept heures - 18H00: dix-huit heures - 19H00: dix-neuf heures.
Midnight to noon is 12 hours.
There are 12 hours in a day after noon.
No such time as 12 am !!!! Do you mean 12 midnight or 12 noon??? 'am' are the Latin initials for 'Ante Meridian' ; Before Noon. If it is midnight or noon it is NOT before or after noon. To answer your question, assuming you mean '12 midnight', then . from 5 pm to 12 midnight it is 7 hours. NB If you mean 12 noon then from 5 pm to the following 12 noon , it is 19 hours.
Midnight to noon is 12 hours (AM), noon to midnight is another 12 hours (PM). Therefore, it is 12 hours from PM to AM.
12 noon Wednesday.
There are 12 hours as am and 12 hours as pm. This in total makes 24 hours a day. for 24 hour time, from 12 midnight to 12 noon it is am. Then pm hours start from 12 noon to just before 12 midnight. The change from am to pm is in one moment.
There is no such time as 12 am. am stands for "before noon" and before noon cannot be noon.
Strictly speaking, there is no 1200 PM. There's 12 noon and 12 midnight. 12 noon is 1200 hours.
From 7 am to 12 noon is a total of 5 hours. This can be calculated by subtracting 7 am from 12 noon, which equals 5 hours. The time span includes the hours of 7, 8, 9, 10, and 11 am.
Technically, 12 AM doesn't exist. We refer to 12 noon or 12 midnight. From 6 AM, it is six hours till noon, and eighteen hours till midnight.
Noon would be 1200 hours or 12:00.
From midnight (am) to Noon (pm) is 12 hours.