12:00pm is day, it's lunch time
12.15 pm is just after mid day.
both 0000 to 1200 is AM, and 1200 to 0000 is PM.
it is PM if it is mid-day but if it is 12 at night then it is AM.
Daytime
PM.
Midnight... 12:00 Am Noon... 12:00 Pm
Night around 1130 pm
It depends in which time zone is it 12 PM on Tuesday.The time in Japan is always UTC + 9 hours.
A: IN 2012 on the 12th of december at 6.00 pm at night
11:59 PM is night time. A minute later is exactly 12:00 AM, also known as midnight and the start of a new day. An easy way to remember this is that at 11:59 PM, you're usually Passed out, or sleeping. At 11:59 AM, you're usually Awake.
AM = 12 in the morning to 11:59 in the day. (or 12 if preferred) PM = 12 in the day to 11:59 at night. (or 12 if preferred)
AM (Ante Meridiem, Latin for Before Midday) is between 0000 and 1200, and PM (Post Meridiem, Latin for After Midday) is between 1200 and 0000.