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Date: Sat, 30 Jan 1999 00:49:08 +0900
Message-Id: <199901291549.AAA03425@abyss.rim.or.jp>
From: Shinya Hanataka <hanataka@abyss.rim.or.jp>
To: MITSUNAGA Noriaki <mitchy@er.ams.eng.osaka-u.ac.jp>
Cc: man-jp@jp.freebsd.org, hanataka@abyss.rim.or.jp
Cc: jman@linux.or.jp
In-Reply-To: <199901290709.QAA01179@robo1.mech.eng.osaka-u.ac.jp>
References: <199901290607.PAA25070@gaye.slab.tnr.sharp.co.jp>
	<199901290709.QAA01179@robo1.mech.eng.osaka-u.ac.jp>
Reply-To: man-jp@jp.freebsd.org
Precedence: list
X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+981115
X-Sequence: man-jp 1397
Subject: [man-jp 1397] Re: UTC/GMT
Errors-To: owner-man-jp@jp.freebsd.org
Sender: owner-man-jp@jp.freebsd.org
X-Originator: hanataka@abyss.rim.or.jp

$B2V9b$G$9!#(B

In     <199901290709.QAA01179@robo1.mech.eng.osaka-u.ac.jp>
Writer MITSUNAGA Noriaki
>$B2V9b$5$s$K$b(BCC$B$7$F$^$9!#(B

$B$3$N$^$^(B man-jp $B$K%U%)%m!<$9$k$HCF$+$l$k$+$J!)(B

>In message [man-jp 1394] UTC/GMT
>    Norihiro Kumagai <kuma@slab.tnr.sharp.co.jp> wrote:
>> > $B7'C+$5$s!"@$3&I8=`;~$N$H$3$m$G$9$,!"(B
>> >    $B6(Dj@$3&;~(B(UTC: Coordinated Universal Time)
>                  Universal Time Coordinated $B$HBg<-NS$K$O$"$j$^$7$?!#(B

$B$O$$!#(BUniversal Time Coordinated $B$H8@$&>l9g$b$"$j$^$9!"(BUTC $B$O(B
$B$3$A$i$NN,$G$9$M!#$I$A$i$N>l9g$bF|K\8l$K$9$k;~$K$O!V6(Dj@$3&;~!W(B
$B$HLu$9$3$H$K$J$C$F$$$k$h$&$G$9!#(B

>> >    $B%0%j%K%C%8J?6Q;~(B(GMT: Greenwich Mean Tiem)
>
>$B$3$C$A$O!V%0%j%K%C%8I8=`;~!W$,F|K\8l$@$H;W$C$F$$$?$N$G$9$,0c$$$^$9$+!)(B

$B3N$+$K$3$&8@$o$l$k$3$H$b$"$j$^$9$,!"87L)$KLu$9$H$9$l$P!V%0%j%K%C%8(B
$BJ?6Q;~!W$H$J$j$^$9!#!VI8=`;~!W$O(B Standard Time $B$NLu8l$H$7$F;HMQ$5(B
$B$l$^$9!"!VF|K\I8=`;~(B(JST: Japan Standard Time)$B!W$H$+!#(B

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
$B0J2<!"<XB-$+$b$7$l$^$;$s$,;d$NCN$kHO0O$G<~JUCN<1$r=q$-$^$9!#(B
$B;29M$K$J$l$P9,$$$G$9!#(B

$B$"$k>l=j$+$?8+$?<B:]$NB@M[$N0LCV$r85$K$7$?;~4V$r!V;kB@M[;~(B
(apparent solar time)$B!W$H$$$$$^$9!#$3$l$KBP$7$F5(@aJQ2=Ey$r(B
$BJ?6Q$7$?J?6QB@M[$r85$K7h$a$?;~4V$r!VJ?6QB@M[;~(B(mean solar time)$B!W(B
$B$H$$$$$^$9!#(B

$B$"$k9q$dCO0h$K$*$$$FFCDj$N>l=j$r7h$a$F!"$=$3$N!VJ?6QB@M[;~!W$9$J(B
$B$o$A!VCOJ}J?6Q;~(B(local mean time)]$B$r9q$dCO0hFb$N6&DL$N;~4V$H$7$?(B
$B$b$N$r!"$=$NCO0h$N!VI8=`;~(B(standard time)$B!W$H$$$$$^$9!#(B

$B7PEY(B0$B$N%0%j%K%C%8;R8a@~>e$NJ?6QB@M[;~$9$J$o$A!V%0%j%K%C%8J?6Q;~(B
(GMT: Greenwich Mean Time)$B!W$r@$3&6&DL$N;~K!$H$7$F@)Dj$7$?$b$N$r(B
$B!V@$3&;~(B(UT: Universal Time)$B!W$H$$$$$^$9!#(B(1925$BG/@)Dj(B)

$B$?$@!"0J>e$N;~4V$OA4$F<B:]$NCO5e$N8xE>(B/$B<+E>$r85$K7h$a$?!VE7J8;~!W(B
$B$F$"$j!"D9$$L\$G$_$l$PCO5e$N8xE>(B/$B<+E>$N<~4|$O0lDj$G$J$$$3$H$,Ld(B
$BBj$K$J$j$^$9!#(B

$B0lIC$ND9$5$,0lDj$G$J$$$N$OITJX$G$9$N$G%;%7%&%`86;R;~7W$r85$K$7$?(B
$B!V9q:]86;R;~(B(TAI: intenational atomic time)$B!W$r85$K0lIC$ND9$5$r(B
$B7hDj$9$k$3$H$K$J$j$^$7$?!#(B(1967$BG/(B?)

$B$=$&$9$k$H!V@$3&;~!W$H!V86;R;~!W$O$@$s$@$s$H%:%l$F$/$k$3$H$,LdBj(B
$B$K$J$j$^$9!#$3$N@$3&;~$H86;R;~$N%:%l$r!V$&$k$&IC(B(leap secound)$B!W(B
$B$rCV$/$3$H$K$h$j;~!9=$@5$9$k$h$&$K$7$F!"0lIC$ND9$5$O86;R;~$HF1$8(B
$B$^$^$G@$3&;~$H$N%:%l$r(B0.9$BIC0J2<$KJ]$D$h$&$K$7$?$b$N$,(B
$B!V6(Dj@$3&;~(B(UTC: Coordinated Universal Time)$B!W$G$9!#(B(1972$BG/(B?)

$B$&$m3P$($G=q$$$?$N$G:YIt$,4V0c$C$F$$$k$+$b$7$l$^$;$s!#$*5$IU$-$N(B
$BE@$,$"$j$^$7$?$i$4;XE&$/$@$5$$!#(B
-- 
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