Board index › Off Topic Discussion › Random Discussion

12 AM and 12 PM don't exist.

Page 1 of 1 [ 9 posts ] 

Previous topic | Next topic

Jetso
Sea Gull
Sea Gull

Joined: 10 Oct 2020
Gender: Male
Posts: 247

02 Dec 2020, 11:04 am

Since noon can't be before or after itself, 12 AM and 12 PM don't really exist as times. 12 noon and 12 midnight do. "12 AM" and "12 PM" are meaningless.



CockneyRebel
Veteran
Veteran

User avatar

Joined: 17 Jul 2004
Age: 49
Gender: Male
Posts: 113,527
Location: Stalag 13

02 Dec 2020, 11:15 am

It's 5'o Clock somewhere.


_________________
Who wants to adopt a Sweet Pea?


nick007
Veteran
Veteran

User avatar

Joined: 4 May 2010
Age: 41
Gender: Male
Posts: 27,121
Location: was Louisiana but now Vermont in the police state called USA

02 Dec 2020, 12:40 pm

I'm never sure which 12 is noon & which 12 is midnight. In conversation I say noon or midnight instead of saying 12am or 12pm. I have to set my alarm a minute off when I'm setting it on my phone for 12am or 12pm. For noon I'll set my alarm for 11;59am or 12;01pm, & for midnight I'll set my alarm for 11;59pm or 12;01am. Setting it for 11;59 or 12;01 depends on if I really want the two extra minutes of sleep or not.


CockneyRebel wrote:
It's 5'o Clock somewhere.
Well said :mrgreen:


_________________
"I don't have an anger problem, I have an idiot problem!"
~King Of The Hill


"Hear all, trust nothing"
~Ferengi Rule Of Acquisition #190
https://memory-alpha.fandom.com/wiki/Ru ... cquisition


Fnord
Veteran
Veteran

User avatar

Joined: 6 May 2008
Age: 67
Gender: Male
Posts: 59,831
Location: Stendec

02 Dec 2020, 12:41 pm

Jetso wrote:
Since noon can't be before or after itself, 12 AM and 12 PM don't really exist as times. 12 noon and 12 midnight do. "12 AM" and "12 PM" are meaningless.
Thank you for sharing your opinion.

"AM" stands for "Ante Meridiem" or "Before Mid-Day", and "PM" stands for "Post Meridiem" or "After Mid-Day".

"Mid-Day" is solar noon, which may vary from 1200 hours by as much as 60 minutes either way, depending on latitude, longitude, elevation, and whether or not Daylight Savings Time is in effect.

Hence, while one may argue that "12 AM" is grammatically inaccurate, "12 PM" is about as accurate as you are going to get in the common vernacular.

Besides, using a 24-hour clock makes more sense to me, so "Twenty-Hundred Hours, Coordinated Universal Time" for me is time for Noon Chow, or "Lunch-Time" to you land-lubbers.


_________________
 
No love for Hamas, Hezbollah, Iranian Leadership, Islamic Jihad, other Islamic terrorist groups, OR their supporters and sympathizers.


Redd_Kross
Veteran
Veteran

User avatar

Joined: 5 Jun 2020
Age: 49
Gender: Male
Posts: 1,450
Location: Derby, UK

02 Dec 2020, 8:15 pm

Fnord wrote:
Jetso wrote:
Since noon can't be before or after itself, 12 AM and 12 PM don't really exist as times. 12 noon and 12 midnight do. "12 AM" and "12 PM" are meaningless.
Thank you for sharing your opinion.

"AM" stands for "Ante Meridiem" or "Before Mid-Day", and "PM" stands for "Post Meridiem" or "After Mid-Day".

"Mid-Day" is solar noon, which may vary from 1200 hours by as much as 60 minutes either way, depending on latitude, longitude, elevation, and whether or not Daylight Savings Time is in effect.

Hence, while one may argue that "12 AM" is grammatically inaccurate, "12 PM" is about as accurate as you are going to get in the common vernacular.

Besides, using a 24-hour clock makes more sense to me, so "Twenty-Hundred Hours, Coordinated Universal Time" for me is time for Noon Chow, or "Lunch-Time" to you land-lubbers.


20:00 is your lunch time? Well, whatever floats your boat.



Tempus Fugit
Veteran
Veteran

Joined: 20 Oct 2020
Gender: Male
Posts: 1,545

03 Dec 2020, 3:09 am

Redd_Kross wrote:
Fnord wrote:
Jetso wrote:
Since noon can't be before or after itself, 12 AM and 12 PM don't really exist as times. 12 noon and 12 midnight do. "12 AM" and "12 PM" are meaningless.
Thank you for sharing your opinion.

"AM" stands for "Ante Meridiem" or "Before Mid-Day", and "PM" stands for "Post Meridiem" or "After Mid-Day".

"Mid-Day" is solar noon, which may vary from 1200 hours by as much as 60 minutes either way, depending on latitude, longitude, elevation, and whether or not Daylight Savings Time is in effect.

Hence, while one may argue that "12 AM" is grammatically inaccurate, "12 PM" is about as accurate as you are going to get in the common vernacular.

Besides, using a 24-hour clock makes more sense to me, so "Twenty-Hundred Hours, Coordinated Universal Time" for me is time for Noon Chow, or "Lunch-Time" to you land-lubbers.


20:00 is your lunch time? Well, whatever floats your boat.


Maybe he works a swing shift where 20:00 is the middle of the workday.



Fnord
Veteran
Veteran

User avatar

Joined: 6 May 2008
Age: 67
Gender: Male
Posts: 59,831
Location: Stendec

04 Dec 2020, 11:15 am

Redd_Kross wrote:
20:00 is your lunch time? Well, whatever floats your boat.
Tempus Fugit wrote:
Maybe he works a swing shift where 20:00 is the middle of the workday.
20:00 Coordinated Universal Time is 12:00 Pacific Standard Time.


_________________
 
No love for Hamas, Hezbollah, Iranian Leadership, Islamic Jihad, other Islamic terrorist groups, OR their supporters and sympathizers.


naturalplastic
Veteran
Veteran

User avatar

Joined: 26 Aug 2010
Age: 69
Gender: Male
Posts: 34,097
Location: temperate zone

04 Dec 2020, 1:06 pm

When I was a child the grownups told me that "am" meant "at morning", and that pm meant "past morning".

So if that were the case then twelve midnight could be considered either thing, but noon would be "past morning".

But now you tell me that its from Latin, and that "am" means "before the midpoint of the day" (before noon). And that "pm" means "after noon".

If thats the case then noon cant be "afternoon" because it IS noon.

But if you make midnight the arbitrary start of the day then twelve midnight would indeed be "before noon".

So midnight should be 12 am (as it is), but 12 noon should be 12M (twelve meridian) because it right at the midpoint of the day.



League_Girl
Veteran
Veteran

User avatar

Joined: 4 Feb 2010
Gender: Female
Posts: 27,205
Location: Pacific Northwest

05 Dec 2020, 1:02 am

There is 00:00 and 24:00.


_________________
Son: Diagnosed w/anxiety and ADHD. Also academic delayed.

Daughter: NT, no diagnoses.