From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: John Cowan Newsgroups: gmane.lisp.guile.bugs Subject: bug#21912: TAI<->UTC conversion botches the unknown Date: Mon, 22 Oct 2018 10:50:37 -0400 Message-ID: References: <20151113164427.GS13455@fysh.org> <87woqc2r5x.fsf@netris.org> <871s8ia5mk.fsf@netris.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="000000000000ede7100578d26051" X-Trace: blaine.gmane.org 1540219749 24832 195.159.176.226 (22 Oct 2018 14:49:09 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 22 Oct 2018 14:49:09 +0000 (UTC) Cc: zefram@fysh.org, 21912@debbugs.gnu.org To: Mark H Weaver Original-X-From: bug-guile-bounces+guile-bugs=m.gmane.org@gnu.org Mon Oct 22 16:49:04 2018 Return-path: Envelope-to: guile-bugs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gEbVv-0006JF-0q for guile-bugs@m.gmane.org; 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charset="UTF-8" On Mon, Oct 22, 2018 at 1:54 AM Mark H Weaver wrote: > This means that TAI-UTC = 4.2131700 + (MJD - 39126) * 0.002592, where > MJD is the modified julian day of the desired TAI-UTC delta. In this > case, the MJD (modified julian day) of midnight UTC January 1, 1970 is > 40587, and plugging that into the equation above yields TAI-UTC = > 8.000082 seconds. > Thanks. I have changed the errata list, the R7RS source (in the "errata" branch), and the cached copy of r7rs.pdf. --000000000000ede7100578d26051 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


On Mon= , Oct 22, 2018 at 1:54 AM Mark H Weaver <mhw@netris.org> wrote:
=C2=A0
This means that TAI-UTC =3D 4.2131700 + (MJD - 39126) * 0.002592, where
MJD is the modified julian day of the desired TAI-UTC delta.=C2=A0 In this<= br> case, the MJD (modified julian day) of midnight UTC January 1, 1970 is
40587, and plugging that into the equation above yields TAI-UTC =3D
8.000082 seconds.

Thanks.=C2=A0 I have = changed the errata list, the R7RS source (in the "errata" branch)= , and the cached copy of r7rs.pdf.=C2=A0
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