So friends everyone on this planet is work and live their life around the clock. The whole planet follows one rule to live and grow that is time. So this article is also based on AM Full Form as well as PM Full Form in terms of time clock system. And now let’s deep dive into the round concept of every 360 degrees.

Here we basically use AM and PM to denotes and understand our 12 hours clock mechanism. These words are Latin words that represent After Noon and Before Noon timings. So in simple words, people say it AM and PM.

AM Full Form

So here AM is expanded as Anti Meridiem which in simple words is before midday. If I elaborate this, AM is the time which counts before afternoon 12 time.

PM Full Form

Now PM is expanded as Post Meridiem which is clearly understandable that is after the midday. It basically counts the time which is after 12 in the noon.

AM PM Full Form

So for the 12 hour time zone where usually people got confusion. AM and PM Full Form released and it simply differentiates the day and night timings. And to create this type of thing, they divide a whole day that is 24 hours into two different time zones each of 12 hours. And here the first 12 hours from 24 hours window starts from midnight (12 am) to noon (12 pm) that is AM. In the same scenario, the second 12-hour start from noon to midnight for 24 hours (12 pm to 12 am). So, the numbers from 1 to 12 followed by am or pm are used to identify all 24 hours of the 12-hour clock system.

For Example: Now suppose if I am saying to my friend that we will meet at 12 O’clock. So he may confuse that it is 12 O’clock in the evening or 12 O’clock in the morning. Now to remove this type of situation and confusion, AM and PM are started with a 12-hour clock system. Accordingly, 12 am is early in the morning and 12 pm is late in the afternoon. That’s why people wanted to know the AM Full form and also the PM Full form.


It shows time from midnight to noon. (12:00 AM to 11:59 AM). For example: If you say that you have to go office at 9 AM, it means 9 O’clock in the morning.


It shows time from noon to midnight. (12:00 PM to 11:59 PM). For example: If you say that you have to join the party at 9 PM, it means 9 O’clock at the night.

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