From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FROM,HTML_MESSAGE,MAILING_LIST_MULTI autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 3002 invoked from network); 8 Sep 2021 22:52:42 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 8 Sep 2021 22:52:42 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 5F30B9C901; Thu, 9 Sep 2021 08:52:41 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 0F2839BB67; Thu, 9 Sep 2021 08:52:32 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="dGWyW9kN"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 41C119BB67; Thu, 9 Sep 2021 08:52:32 +1000 (AEST) Received: from mail-pf1-f176.google.com (mail-pf1-f176.google.com [209.85.210.176]) by minnie.tuhs.org (Postfix) with ESMTPS id 25DBE9BB66 for ; Thu, 9 Sep 2021 08:52:31 +1000 (AEST) Received: by mail-pf1-f176.google.com with SMTP id g14so38600pfm.1 for ; Wed, 08 Sep 2021 15:52:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:message-id:mime-version:subject:date:in-reply-to:cc:to :references; bh=KF0bunZYu4mAL9c7lnatwn1ReFry1FNsL0vBOW0xNC8=; b=dGWyW9kNSL68ZDzC6gQDPU8yyZCY6yp7T5hcnSI8hc8xAxTqHil+Mc+QBd3skULzJI E07EJnFLPa8gjJp6FHx1XkBcV+QYvlz6Mr9bO+pkYCcxpYsxVJnfugOUeRIxp2CEJO25 7x/nNE5BVgjhHhhFtmNlVmqH2v341ixge3pY7sOcF1mw9YtHsCHPnWf6Xu93wHARMQf5 i66ZaizSxUZIi6PDdBOTGqCCJAik5wnz8a6YqzJKdZdSH89UkcpXA+T58JIkMnI+gbII zLe27PrV2FPEow2cGCD07g6p0jGsW2dpXuA/u5F+67p9YdPcipD1IIL9bx9Rz8cVwfzX 0xKg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:message-id:mime-version:subject:date :in-reply-to:cc:to:references; bh=KF0bunZYu4mAL9c7lnatwn1ReFry1FNsL0vBOW0xNC8=; b=MHlprIiFq0IiNxSIK9t2NRKDL4kcvCRSbz+5NqWIhPZQOELctGx/oT0sBKyrG7V6CE TgXxtWvHzkaOrwWqbJ8fZ3kFSVoCAZP962y05rG99QK9j/VlUqkrx+PWHlx7SD5s1gpT XEIfdREGxP76jDEqdUuGj3dxaYhvg0ROUzTO5Xfs3h39+NDXF+9Rx94gZLx4p4OXDhnR A5cBSkRups2iC1/WhiQBnUZvlVC91Ntd/pvTOnmxmGWrRfO1R4HAlKaJ7OvN618OFbyx VJJvcQoJB6mDMgI2feuT4+lmDIDXU+edP0iw/HvP4kk4m+6TAJb7tZA5RncIntBIkRcF GZdQ== X-Gm-Message-State: AOAM533E4b2tlegYj77TghhUUViBPfrao/5hoc1LCZ9btMLCt5eFkSSd +iOxNGPoQ5e4KeJK22Gu9Z68JRVu3VVd4w== X-Google-Smtp-Source: ABdhPJwSosfB2H2mEw5p05I1+wH4OQ8Tj3Taxe17M0kGJV8MuEV4H2EcaJswVnMDCeYeJe2y93EmFA== X-Received: by 2002:a63:4206:: with SMTP id p6mr442222pga.449.1631141550438; Wed, 08 Sep 2021 15:52:30 -0700 (PDT) Received: from smtpclient.apple ([2600:8800:7c80:700:30d4:2718:e6b1:d13e]) by smtp.gmail.com with ESMTPSA id gf9sm115050pjb.33.2021.09.08.15.52.29 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 08 Sep 2021 15:52:29 -0700 (PDT) From: Adam Thornton Message-Id: Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.120.0.1.13\)) Date: Wed, 8 Sep 2021 15:52:28 -0700 In-Reply-To: To: Warner Losh References: X-Mailer: Apple Mail (2.3654.120.0.1.13) Subject: Re: [COFF] What does your "cal" show? X-BeenThere: coff@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: Computer Old Farts Forum List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Computer Old Farts Followers Content-Type: multipart/mixed; boundary="===============1640773716084126092==" Errors-To: coff-bounces@minnie.tuhs.org Sender: "COFF" --===============1640773716084126092== Content-Type: multipart/alternative; boundary="Apple-Mail=_63FAAC3B-8069-4D37-BC2D-751204ECAF74" --Apple-Mail=_63FAAC3B-8069-4D37-BC2D-751204ECAF74 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Ah, leap seconds. I work for an observatory. Some things are in TAI = and some are in UTC. At least now I know what to look for when = something is 37 seconds off. Adam > On Sep 8, 2021, at 1:36 PM, Warner Losh wrote: >=20 >=20 >=20 > On Wed, Sep 8, 2021, 7:25 AM Dave Horsfall > wrote: > On Wed, 8 Sep 2021, Tony Finch wrote: >=20 > > It's even more funny than that :-) They actually went back to the = Julian > > calendar in 1712, and they needed to add back the leap day they = skipped in > > 1700; this extra day became February 30th. > > > > https://en.wikipedia.org/wiki/List_of_non-standard_dates#February_30 = >=20 > Oh, my sainted aunt... >=20 > This is the example I give to people who say calendars are easy... >=20 > Also, I use it in my screeds against the current observational nature = of leap seconds. >=20 > Warner >=20 > -- Dave > _______________________________________________ > COFF mailing list > COFF@minnie.tuhs.org > https://minnie.tuhs.org/cgi-bin/mailman/listinfo/coff = > _______________________________________________ > COFF mailing list > COFF@minnie.tuhs.org > https://minnie.tuhs.org/cgi-bin/mailman/listinfo/coff --Apple-Mail=_63FAAC3B-8069-4D37-BC2D-751204ECAF74 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii Ah, = leap seconds.  I work for an observatory.  Some things are in = TAI and some are in UTC.  At least now I know what to look for when = something is 37 seconds off.

Adam

On Sep 8, 2021, at 1:36 PM, = Warner Losh <imp@bsdimp.com> wrote:



On Wed, Sep = 8, 2021, 7:25 AM Dave Horsfall <dave@horsfall.org> wrote:
On Wed, 8 Sep 2021, = Tony Finch wrote:

> It's even more funny than that :-) They actually went back to the = Julian
> calendar in 1712, and they needed to add back the leap day they = skipped in
> 1700; this extra day became February 30th.
>
> https://en.wikipedia.org/wiki/List_of_non-standard_dates#Februa= ry_30

Oh, my sainted aunt...

This is the example I give to people who say calendars are = easy...

Also, I use it in my screeds against the current = observational nature of leap seconds.

Warner

-- Dave
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