Re: The End of the Day

2009-03-19 Thread Mario Arnaldi
(... continued) The question posted by Frank is «Why Italians changed the hour system?» Well, as I wrote not only Italians but all Europe changed time system. Till now there no one document that explane why, but it easy to suppose that Times was changing in all Europe and old hour system didn't

Re: The End of the Day

2009-03-19 Thread Mario Arnaldi
My last e-mail ends with: «Question number 3 need more time. I will do it nex email.». Ok Now I have a little time to continue. -- 3. Given that their days ran from midnight to midnight, why did the Romans (Italians) change to Italian Hours when they adopted equal hours?

New online astronomy software

2009-03-19 Thread J. Tallman
Hello All, Today I ran across something new and available online that some of you may be interested in. It is an astronomy program, a virtual telescope of sorts, that works a little bit like Google Earth except it is for viewing objects in space: www.worldwidetelescope.org Have fun! Best, J

Re: The End of the Day

2009-03-19 Thread Frank King
Dear Mario, Thank you very much for your splendid reply. The quotations from Censorinus are exactly what I was looking for! I like the title: De die natali liber! You say that the intere nychthemeron was divided into 24 equal hours from midnight till the next midnight. Were these equal hours co

R: Re: The End of the Day

2009-03-19 Thread nicolasever...@libero.it
Hi Frank, take a look here, maybe it can help you! I find it in 5 seconds. You can find a lots like this on google books. http://books.google.it/books?id=MC8XYAAJ&pg=PA72&dq=computing+time+roman Nicola Messaggio originaleDa: rncer...@uol.com.brdata: 18/03/2009 21.30A: "