From: Hans Aberg (haberg@math.su.se)
Date: Thu Dec 20 2007 - 03:44:29 CST
On 20 Dec 2007, at 06:38, William J Poser wrote:
> I suggest UE and BUE for "Unix Era" and "Before Unix Era",
> which as is well known begins at midnight on January 1st, 1970.
Note the difference between a calendar, which counts days, and a time
measurement system. UNIX time is the latter.
http://en.wikipedia.org/wiki/Unix_time
> This has the additional advantage of deferring the Year 10K problem.
> Resistance from Redmond is, however, a serious possibility. In this
> case perhaps we could all agree on the nondenominational yet classic
> AUC (ab urbe condita).
UNIX time has two problems: a discontinuity occurs in the face of a
leap second, and when using 32-bit representation, it expires in 2038:
http://en.wikipedia.org/wiki/Year_2038_problem
Extensions are already considered by simply using 128-bit
representation:
http://en.wikipedia.org/wiki/Network_Time_Protocol#NTP_timestamps
Hans Åberg
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