Re: what should a time standard encompass?

2003-01-28 Thread John Cowan
Rob Seaman scripsit: 0) Who owns the civil time standards? The people of the world, as expressed through their various national and sub-national governments. (In the U.S., the federal government specifies what time zones exist, but the states decide when and where to adhere to them.)

Leap-seconds, the epsilon perspective

2003-01-28 Thread Dr. Mark Calabretta
On Mon 2003/01/27 18:21:02 -, Ed Davies wrote in a message to: [EMAIL PROTECTED] Everything would be a lot simpler and more reliable if all systems could work with a single simple universal time scale which: 1. Has SI length seconds. 2. Has minutes of 60 seconds, hours of 3'600 seconds and

Re: Leap-seconds, the epsilon perspective

2003-01-28 Thread John Cowan
Dr. Mark Calabretta scripsit: Much of the problem boils down to the question of why we would want to continue to pretend that a mean solar day has exactly 86400 SI seconds when in fact, it has 86400+epsilon SI seconds. I at least care that a *civil* day be 86400 SI seconds in length. Mean