[time-nuts] [LEAPSECS] Leap second to be introduced at midnight UTC December 31 this year

Bob Camp kb8tq at n1k.org
Mon Jul 25 17:41:12 EDT 2016


In these days of computers trading with computers, the whole issue of “who did what when” can 
result in major money trading hands. I’m sure that at some point the financial markets will have to
deal with light speed issues and geography if they have not already.  


> On Jul 25, 2016, at 4:57 PM, Mark Sims <holrum at hotmail.com> wrote:
> Apple's new file system timestamps files with nanosecond resolution.   A lot of Linux file systems also do that now.   The nanosecond ain't what it used to be...  I can imagine people wanting picosecond timestamps in the near future.  Who knows,  maybe we'll have something like NTP compensating for light-speed delay for the gap between the read/write heads and disk surface (assuming we still use heads and surfaces)  ; -)
> --------------------
> Except that you still have the issue of “what time did this file get changed”. To most of us, that’s not really a big deal. A second either way … who cares. 		 	   		  
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