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From: Don Lewis <Don.Lewis@tsc.tdk.com>
Message-Id: <199901150852.AAA28411@salsa.gv.tsc.tdk.com>
Date: Fri, 15 Jan 1999 00:52:18 -0800
In-Reply-To: Greg Lehey <grog@lemis.com>
       "Re: cvs commit: src/usr.sbin/tcpdump/tcpslice tcpslice.c" (Jan 15,  5:53pm)
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To: Greg Lehey <grog@lemis.com>, Daniel Eischen <eischen@vigrid.com>
Subject: Re: cvs commit: src/usr.sbin/tcpdump/tcpslice tcpslice.c
Cc: imp@village.org, cvs-all@FreeBSD.ORG, cvs-committers@FreeBSD.ORG
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On Jan 15,  5:53pm, Greg Lehey wrote:
} Subject: Re: cvs commit: src/usr.sbin/tcpdump/tcpslice tcpslice.c
} On Friday, 15 January 1999 at  2:18:55 -0500, Daniel Eischen wrote:
} >> If you look at http://www.eunet.pt/ano2000/sun/sup_sun5.htm, you'll
} >> see that Sun uses a pivot date of 68 (i.e. two-digit years range
} >> between 1969 and 2068).  I'm assuming that they have some reason to
} >> choose this particular number, and that others will do the same.
} >
} > Because UNIX time is seconds since Jan 1, 1970 ???
} 
} Then it would be 69/70, not 68/69.  I haven't seen any explanation of
} this choice, but I'd expect that it covers more than UNIX.

I think they might have picked 68/69 because Unix time 0 is be late in
the day local time on December 31, 1969 for folks in timezones west of
the Prime Meridian.

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