>>>>>Nowadays, with instant communications crossing timezones, the am-pm is just a hurdle. Without need for any further thinking, give me the physical reality of 24 hours, I don't need this "I prefer small numbers" complication. So what if in some umpteenth century it was hard to make cogs for twice the precision? Do we still have to pay homage to obsolete hardware today?
>>>>
>>>>C'm on. Be happy to have skipped equal hours.
>>>
>>>I thought they were all equal. I never heard of hours fighting for equality... or is there something you know and I don't? What are equal hours?
>>
>>Equal hours? Ah!
>>Between sunrise and sunset is a time period that is divided into 12 equal hours. As you can see the lenght of a hour varies from day to day. This is called equal hour. See
>>http://en.wikipedia.org/wiki/12-hour_clock#History_and_use
>
>Ouch! Coding for that would involve not only geography, but even some astronomy. And the paradox is they are equal only among themselves, but not to themselves - they change each day.
>
>>the town hall of the city of Ulm has a working clock
>
>Hey, I've seen that clock... but didn't hear anything about it. Interesting.

Imagine how to "program" this. With the ellipse.

But then, we have a astronomical clock here in town that shows the position of the planets and the moon. Since several hundred years. Based on the geocentric system With all the epicycles.