Date: Mon, 17 Aug 1998 08:45:34 +1000 From: Peter Jeremy <peter.jeremy@auss2.alcatel.com.au> To: hackers@FreeBSD.ORG Subject: Re: 64-bit time_t Message-ID: <98Aug17.084521est.40345@border.alcanet.com.au>
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On Sat, 15 Aug 1998 13:52:29 +0200, Andre Oppermann <oppermann@pipeline.ch> wrote: >TAI64 looks good (quotes from DJB's definition): > > "TAI stands for Temps Atomique International, the current international > real time standard." Switching from UTC to TAI opens up a whole new can of worms. In particular: 1) AFAIK, civil time is derived from UTC. 2) It is not possible to accurately convert a future time between TAI and UTC (because the offset between TAI and UTC depends on the _measured_ decay in the Earth's rotation). That said, when we do move to a 64-bit time_t, TAI64 would be a reasonable choice. Peter -- Peter Jeremy (VK2PJ) peter.jeremy@alcatel.com.au Alcatel Australia Limited 41 Mandible St Phone: +61 2 9690 5019 ALEXANDRIA NSW 2015 Fax: +61 2 9690 5247 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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