From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-2.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM, MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,a3358f1ef9d04e63 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2001-03-20 05:56:08 PST Path: supernews.google.com!sn-xit-03!supernews.com!nntp.cs.ubc.ca!freenix!enst!enst.fr!not-for-mail From: Wilhelm.Spickermann@t-online.de (Wilhelm Spickermann) Newsgroups: comp.lang.ada Subject: Re: Calendar - leap seconds Date: Tue, 20 Mar 2001 14:08:59 +0100 (CET) Organization: ENST, France Sender: comp.lang.ada-admin@ada.eu.org Message-ID: Reply-To: comp.lang.ada@ada.eu.org NNTP-Posting-Host: marvin.enst.fr Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit X-Trace: avanie.enst.fr 985096217 17775 137.194.161.2 (20 Mar 2001 13:50:16 GMT) X-Complaints-To: usenet@enst.fr NNTP-Posting-Date: Tue, 20 Mar 2001 13:50:16 +0000 (UTC) To: comp.lang.ada@ada.eu.org Return-Path: X-Mailer: XFMail 1.4.0 on Linux X-Priority: 3 (Normal) In-Reply-To: <3AB742A8.CE77BC19@concentric.net> X-Sender: 0211750756-0001@t-dialin.net Errors-To: comp.lang.ada-admin@ada.eu.org X-BeenThere: comp.lang.ada@ada.eu.org X-Mailman-Version: 2.0 Precedence: bulk List-Help: List-Post: List-Subscribe: , List-Id: comp.lang.ada mail<->news gateway List-Unsubscribe: , List-Archive: Errors-To: comp.lang.ada-admin@ada.eu.org X-BeenThere: comp.lang.ada@ada.eu.org Xref: supernews.google.com comp.lang.ada:5894 Date: 2001-03-20T14:08:59+01:00 On 20-Mar-01 Joseph P Vlietstra wrote: ... > believe leap second support is still an open issue for the upcoming > revision. The reason it's an open issue is that leap seconds may go > away. ... > or may even need a software update. Why go through all of this > effort > when civil timekeeping applications don't really care if UTC matches > UT1 and most spacecraft/astronomical applications use the TAI, J2000, > or the GPS linear timescale. Thank You very much! I hope the leap second insertion will be suspended for some decades. It should be possible then, to give an algorithm for leap second insertion for the next few hundred years... (But this will not remove the damage that has been done by creating a second definition of the timestamps given as time_t or struct timeval.) Wilhelm