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{W Japan Standard Time

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VwAev Akashi astronomical science museum, clock

{W iA JST : J apan S tandard T imeAWpEX^_[hE^CjA s@l M@\qvEE iUTCj9i{WB Japan standard time (standard time NIPPON, JST: J apan S tandard T ime, Japan Standard Time), when the world was agreement supply generated by the atomic clock of the Research Institute of Information and Communications Administrative Agency (UTC) time on the 9 the time in Japan. {iu vu vAfBAjB Japan also known as time ( "Time" and "Time" has different meanings, such as media reports often call it in practice). @W`AVqnAB Central Standard Time on the law and is to be treated as almost synonymous, in terms of atomic time and astronomical time series, are strictly different.

E (UTC) Au12:31:40+0900 (JST)vi{W123140bj\LB Coordinated Universal Time (UTC) and shows the difference between the cases, "12:31:40 +0900 (JST)" (Japan Standard Time 12:31 on 40 seconds) and be represented.

{s@l M@\JSTEA{S{ iNHKjNTT i117jpB In Japan the Telecommunications Research and Information Agency JST generate supply, NHK in Japan in Japan (NHK) and broadcasters, such as NTT (117) has been used time to the clock.

Contents

[ W ] iT}[^Cj Daylight Saving Time (Summer Time)

2009NA@AJST1^C][p iT}[^Cj{B Current year 2009, according to the laws and regulations, JST to adopt daylight saving time zone 1 plus the time (summer time) is not implemented. AA 1948N1951N A5i 1949N4j1yj92yjA @T}[^C{sB However, in the past, the 1948 from 1951 in May (1949 only in April) First Saturday September 12 from 2 until Saturday, was the enforcement of the summer daylight saving time under the law. A 2004N - 2006N i2006NIj7 - 8kC Dyssu kCT}[^C vAWnEI1AB The 2004 - 2006 (year end 2006) in July - was tried in eight so-called city of Sapporo in Hokkaido on Monday, "Hokkaido Summer Time", the closing time shift without changing the time an hour ahead in the attempt, The DST is not in the usual sense.

[ W ] JSTW JST same time

AI[XgA{oxuAo135xI[XgABm[Ueg[JST+30AI[XgABJST-1AJSTWnAI[XgABB However, Australia is located in Japan and about the same longitude, east longitude 135 and the Northern Territory in Australia South-degree line through the JST +30 min and, when Western Australia is not daylight saving time also has to JST -1 for a time, JST number is exactly the same time, unless the Western Australia daylight saving time does not exist.

[ W ] j History

{W@A {qoxvZyWm i19N51A 1886N i19Nj 713zjB Laws enacted for the first time in Japan, all those surplus calculations time Roh first meridian longitude (Ordinance 1886 encyclical letter, No. 51, 1886 (1886) July 13 publication date). A OjbWVqVSq{q iox0xjA180xAA\A o 135xi GMT+9:00 j{Wiu{MmWvjKB In this royal decree, the first meridian the meridian passing through the center of the Horse Yi child Observatory Greenwich (longitude 0 degrees), and 180 degrees east and west, respectively, positive to the east, where it represents a negative to the west, east longitude 135 degrees ( GMT +9:00) Japan Standard Time of the time ( "Time in general Roh Japan") and regulations. {W1888N i21Nj 11KpB Time on this part of Japan in 1888 (1888) January 1, effective from Sunday.

A WjX i28N167A 1895N i28Nj 1228zA 1896N i29Nj11{sjAo135xWu W vAo120xi GMT+8:00 ju W vKAdRE{{pEOKpB The two related cases Sur Standard Time (1895 years of royal decree No. 167, 1895 (1895) promulgated on December 28, 1896 (Meiji 29) per month per enforcement day) was enacted, 135 degrees east longitude the designation of the time of the "Central" and east longitude 120 degrees (GMT +8:00) the time of the "Western Standard Time" and the provisions, the latter is applied to the islands of Penghu, Taiwan and Japan under the rule of {dR was. WW1B Time difference between Central and West is one of time.

u{v41N]A \NSZ\WjXm ia12N529A 1937N ia12Nj 925zAN101{sjAO28N1672iWjA{WB This "two-hour Japan" has lasted 41 years, in all cases revision Roh d time Kwan No. 70 Sur 600 No. 82, Meiji rescript (edict of 1937, No. 529, 1937 ( 1937) September 25, promulgated, enforced a Sunday in October the same year) as amended by royal decree, the Meiji edict of the previous 28 years of No. 2 Article 167 (Article on Western Standard Time) and remove the article, again Time has become one of Japan. A1iWjCcB The amendment is in Article 1 (Article on Central Standard Time) on the revision of the wording remained intact and not Akira Osamu added.

LwAuWv{W@B The two royal decree and the jurisdiction of the Ministry of Education as valid today, "Central" is the official name of the laws of Japan Standard Time. AeiWjVAqWu{WiJSTjvAwIB However, the contents of these two royal decree (Central Standard Time) is the astronomical time and from time to generate the real atomic time "Japan Standard Time (JST)" as the science to be strictly distinguished. AJST`@AB Thus, the real laws that define the JST is not strictly exist.

A so135xqnz`B Once N and through the city of Akashi Prefecture Hyogo 135 were defined as the time in local mean solar time of the meridian.

sVw Akashi Municipal Planetarium

qsVwA{WvuB Municipal Museum of Science in Astronomy Akashi in the meridian, the clock has been set up big time tick Japan. 1978Nu21995N_EWHkjA~AvP_w@wWB 1978 was set up in their second year is 1995 and damaged in the Great Hanshin Earthquake of the year, because the stop clock is on display in _w@w been removed. uv3A ZCR[B Grandfather clock that was set upTONARI three generations now, the donations from Seiko Hattori.

[ W ] South Ryukyu Islands South Ryukyu Islands Time

FreeBSDUNIXnOSA 1999NCXg[^C][uJapanvIAIuMost LocationsvuSouth Ryukyu IslandsvIAuSouth Ryukyu IslandsvI^C][Wi UTC+8 jB FreeBSD UNIX systems, including OS, 1999 when you install a time zone earlier in the year to "Japan" is selected, as a choice "Most Locations" and "South Ryukyu Islands" and the choices appear, "South Ryukyu Islands" a Western Standard Time and choose a time zone (UTC +8) there is a problem that would be set.

OS^C][f[^putzdatavf[^x[XWf[^iuThe International Atlas (3rd edition)viThomas G. ShanksA 1991N jAuW_gpv|LsjAwEsB This is the OS has been used as a source of time zone settings "tzdata" because the data contained in the database on the wrongly Western Standard Time (and even trace the original "The International Atlas (3rd edition)" ( Thomas G. Shanks, 1991 years) in the literature, "that is currently used in the time western Ishigakijima" was due to have been wrong in that), to correct a mistake in this which had not occurred to the point.

Gu UNIX USER vi \tgoN jA1999Nutzdatavf[^WAo[WuSouth Ryukyu IslandsvI\i2006N 41[XG[vt[FreeBSD 2.2.9-RELEASEAoOcjB This magazine is "UNIX USER" (Softbank) result was mentioned in 1999, "tzdata" erroneous information be removed from the data on Western Standard Time, in the subsequent version of "South Ryukyu Islands" option of the are no longer displayed (although in 2006 the April 1 edition April fool been the release of FreeBSD 2.2.9-RELEASE, are left with a bug.)

[ W ] Wdg standard radio

{WiJST)OLA M@\WdgMB Japan Standard Time (JST) and to provide a wide range, the Organization of Information and Communications Technology is the standard radio. gMgWWMAWZVEr[^qgW@f[U^ApZVEr[^qvQpxB Standard time and frequency signals being sent by this wave, and a hydrogen maser-type cesium beam atomic frequency standard is a national standard, is kept higher than the accuracy of atomic clocks using cesium-beam Practical that. AWdgMdweggpA24grl 1~10 -11x\B The originator of the standard radio uses a wavelength less subject to effects of the ionosphere, 24 compared with the average frequency of 1 ~ 10 -11 hours have been obtained with accuracy.

1999N610JuRWdgMvi cssH JRj{SJo[A2001N sxmHRuRWdgMvJA{LWdgMB 1999 June 10 launch date of "standard radio transmitting station and mountains OOTA corner" (JRTown City Miyakozi Tamura Prefecture Fukushima) only because it could not cover all of Japan, in 2001 the town of Fuji-City, Saga, Saga TheHR"standard radio transmitting station HAGANE Mountain" and the launch was to be able to receive the standard radio in Japan by a wide range.

dgvAWdgMAvB So-called clock radio, receiving a standard radio, the watch automatically adjust the time.

[ W ] NTP NTP

M@\C^[lbgoR\A NTPT[oT[rXB NICT for enabling time synchronization over the Internet, NTP has offered service from the time server. [UNTPT[oAhXntp.nict.jpB For general users of the NTP server address ntp.nict.jp.
iIANTPT[o\EA[UvoC_NTPT[opNetwork Time Protocol#{T[opAUj (In general, NTP because of the limited capacity of the server, the user can use the provider's servers as NTP Network Time Protocol # and use a server that is shown in Japan, to distribute the load is required)

[ W ] UTCJSTZ UTC conversion and JST

\UTC+9AJSTB UTC +9 in the following table shall be read, JST.

UTC+9 UTC +9 0 0 1 1 2 Two 3 Three 4 Four 5 Five 6 Six 7 7 8 8 9 Nine 10 Ten 11 11 12 12 13 13 14 14 15 Fifteen 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23
UTC UTC
O Previous
15 Fifteen
O Previous
16 16
O Previous
17 17
O Previous
18 18
O Previous
19 19
O Previous
20 20
O Previous
21 21
O Previous
22 22
O Previous
23 23
0 0
1 1
2 Two
3 Three
4 Four
5 Five
6 Six
7 7
8 8
9 Nine
10 Ten
11 11
12 12
13 13
14 14

[ W ] A See also

Wikisource
EBL\[X19N51B The Meiji Wikisource 19 years edict 51 are the original issue.
Wikisource
EBL\[X28N167B The Meiji Wikisource 28 years edict 167 are the original issue.
Wikisource
EBL\[Xa12N529B The Showa Wikisource 12 of royal decree, 529 are the original issue.

[ W ] ON External links


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