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From: Thomas Heger <ttt_heg@web.de>
Newsgroups: sci.physics.relativity,sci.physics,sci.math
Subject: Re: ? ? ?
Date: Wed, 20 Mar 2024 08:29:55 +0100
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Am 18.03.2024 um 07:54 schrieb Maciej Wozniak:
....
>
>>
>> This measure is often called 'time'.
>>
>> Time includes also dates.
>
> Time IS a system of assigning dates/hours.
> Measuring intervals is its less important,
> secondary functionality. It's not optmized
> for that and it doesn't have to be optimized
> for that.

NO!!!

You have to distiguish between time (which is the physical phenomenon 
you like to measure) and the measurement of that quantity.


Time belongs to nature and exists there for uncertain reasons.

The measurement of time utilises clocks of various kinds, which do NOT 
belong to nature (because they are artifacts).

So: natur does not know anything about hours and seconds and uses other 
other means than clocks.

>
>   Like today is the 18th of march 2024. This is
>> a certain number of days past an event called 'birth of Christ'.
>
> No. It's 18th march 2024. Most people are unable
> to calculate the interval between 2024-03-18
> and 0001-01-01 correctly. And they don't need
> it at all.

Sure, most people cannot do that without a calculator. But if you need 
that number, you find various calculators, which can  answer that 
question in less than a second.

TH