Is noon Considered am or pm?
The American Heritage Dictionary of the English Language states “By convention, 12 AM denotes midnight and 12 PM denotes noon.
Why is noon 12 pm?
The 12-hour clock divides the 24-hour day into two periods. am stands for the Latin ante meridiem, translating to “before midday”. This is the time before the sun has crossed the meridian. pm stands for post meridiem or “after midday” – after the sun has crossed the meridian.
What is pm in time?
Two 12-Hour Periods It runs from midnight to noon. The second period, marked pm, covers the 12 hours from noon to midnight. The abbreviations am and pm derive from Latin: AM = Ante meridiem: Before noon. PM = Post meridiem: After noon.
Why is it called noon?
Noon takes a path through Middle and Old English, where nōn denoted the ninth hour from sunrise. That word derives from the Latin nonus, meaning “ninth,” related to novem, the word for the number nine.
What is the difference between noon and PM?
Technically “PM” starts after noon but most people use 12 pm to mean noon. If in doubt you can use “12 noon” or use a 24-hour clock where 12:00 equals midday (noon) and 00:00 equals midnight. Is noon 30 AM or PM?
Is it 12 am or 12 pm High Noon?
“High noon” may mean the time of 12 o’clock midday, as shown by an accurate clock. That is called 12 pm (not 12 am) by convention. Really, a.m. means “before midday” and p.m. means “after midday”. Therefore “12 noon” is a better way to say it.
Is midday before or after noon?
Midday is neither before noon (a.m.) nor after noon (p.m.). It’s m. (abbreviation for meridies ). So, it would be illogical to write 12 a.m. or 12 p.m. to mean noon.
Why does the day start with AM and end with pm?
Noon and midnight are instances where logically the am and pm do not abide by what they mean, i.e. ante meridiem and post meridiem. So, as suggested in other answers 12 noon and 12 midnight are used to avoid confusion. Anyway, convention has it that 12 midnight is called 12 am, which comes after 11:59:59 pm, and thus the day starts with am.