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Why is 11 am and 1 hour == 12:00 pm?

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Re: Why is 11 am and 1 hour == 12:00 pm?

#2
I don't want to be offensive, but this is just another example where anglo-american standards for time and length measurements are ill-defined and lead to confusion. Instead, we have the SI system for the rest of the world and we have international standards for counting time -- with time going from 00:00:00 to 24:59:59 a day. I wonder why people refrain to adopt a working system in favour of culture. I never understood why culture and tradition is an argument for inexactness.

Re: Why is 11 am and 1 hour == 12:00 pm?

#3
post #2

I don't want to be offensive, but this is just another example where anglo-american standards for time and length measurements are ill-defined and lead to confusion. Instead, we have the SI system for the rest of the world and we have international standards for counting time -- with time going from 00:00:00 to 24:59:59 a day. I wonder why people refrain to adopt a working system in favour of culture. I never underst…

> 00:00:00 to 24:59:59

thats a damn long day. my day is only from 00:00:00 to 23:59:59. where do you live that you have 25 hour days? /s

Re: Why is 11 am and 1 hour == 12:00 pm?

#4
post #2

I don't want to be offensive, but this is just another example where anglo-american standards for time and length measurements are ill-defined and lead to confusion. Instead, we have the SI system for the rest of the world and we have international standards for counting time -- with time going from 00:00:00 to 24:59:59 a day. I wonder why people refrain to adopt a working system in favour of culture. I never underst…

That would be 25 hours in a day

Re: Why is 11 am and 1 hour == 12:00 pm?

#5
I thought continuity provides an answer:

11:59:59.9999999999 is still AM.

12:00:00.0000000001 is clearly PM.

When should the AM switch to PM? My intuition says at the same time that the 11 switches to a 12 (and all the 9's switch to 0's). Thus, noon is pm.

Having said that, in reality the solution is banish the abominable 12 hour clock, and use the 24 hour clock.

That also removes the ambiguity whether "Midnight on January 1st 2017" means 2017-01-01 00:00 or 2017-01-01 24:00 == 2017-01-02 00:00.

Re: Why is 11 am and 1 hour == 12:00 pm?

#6
post #2

I don't want to be offensive, but this is just another example where anglo-american standards for time and length measurements are ill-defined and lead to confusion. Instead, we have the SI system for the rest of the world and we have international standards for counting time -- with time going from 00:00:00 to 24:59:59 a day. I wonder why people refrain to adopt a working system in favour of culture. I never underst…

Sometimes I miss the home planet too.

Re: Why is 11 am and 1 hour == 12:00 pm?

#7
post #5

I thought continuity provides an answer: 11:59:59.9999999999 is still AM. 12:00:00.0000000001 is clearly PM. When should the AM switch to PM? My intuition says at the same time that the 11 switches to a 12 (and all the 9's switch to 0's). Thus, noon is pm. Having said that, in reality the solution is banish the abominable 12 hour clock, and use the 24 hour clock. That also removes the ambiguity whether "Midnight on J…

But whose 24 hour clock? Should we all be on GMT? That's arbitrary and eurocentric. And let's get rid of those pesky arbitrary time zones too. We should all be able to have our own personal time zones.

Re: Why is 11 am and 1 hour == 12:00 pm?

#9
post #5

I thought continuity provides an answer: 11:59:59.9999999999 is still AM. 12:00:00.0000000001 is clearly PM. When should the AM switch to PM? My intuition says at the same time that the 11 switches to a 12 (and all the 9's switch to 0's). Thus, noon is pm. Having said that, in reality the solution is banish the abominable 12 hour clock, and use the 24 hour clock. That also removes the ambiguity whether "Midnight on J…

But whose 24 hour clock? Should we all be on GMT? That's arbitrary and eurocentric. And let's get rid of those pesky arbitrary time zones too. We should all be able to have our own personal time zones.

Even if you eliminate time zones, you still end up having to do lookups whenever you're communicating across zones. E.g. "If I call my brother now from SFBA, is it normal daytime hours in Switzerland?" Knowing that right now is 15:00 GMT doesn't help answer that question.

Re: Why is 11 am and 1 hour == 12:00 pm?

#10
post #2

I don't want to be offensive, but this is just another example where anglo-american standards for time and length measurements are ill-defined and lead to confusion. Instead, we have the SI system for the rest of the world and we have international standards for counting time -- with time going from 00:00:00 to 24:59:59 a day. I wonder why people refrain to adopt a working system in favour of culture. I never underst…

but when should 23:59:59.9999999 switch to 00:00:00?
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