GMT(Greenwich Mean Time)蝮桀神嚗舐摰嗆潭憡瘝餃予啁璅皞嚗蝔曹潭憡瘝餅嚗箸砍摮蝺甇文啣嚗甇支蝔梁箔璅皞嗉啁芾銝臬刻敺嚗銝甇瞍豢ｇ甇方1924撟湧憪嚗潭憡瘝餅(GMT)撌脩銝鋡怨箸皞嚗隞銋"銝隤踵 (UTC: Coordinated Universal Time)$ H6 J" m- c1 P J
1 L+ B+ S5 F7 f6 ?% W4 [# Q8 E憭芸像瘣璅皞(Pacific Standard Time) - PST / PT : UTC-8; o0 _" g# K- T' I
撅勗璅皞(Mountain Standard Time) - MST : UTC-76 I6 z9 G9 e [1 n! c) I
銝剝冽皞(Central Standard Time) - CST : UTC-65 X5 S8 p0 L k! F
勗硫璅皞(Eastern Standard Time) - EST : UTC-5
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啁蝢踹之撌格頛銵
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| 啁 GMT+8 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | | 憭芸像瘣 (PST) GMT-8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | | 撅勗 (MST) GMT-7 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | | 銝剝 (CST) GMT-6 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | | 梢 (EST) GMT-5 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | | 憭芸像瘣 (PST) ( 憭 ) | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | | 撅勗 (MST) ( 憭 ) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 銝剝(CST) ( 憭 ) | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | | 梢 (EST) ( 憭 ) | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 銝剜嚗銝8暺唬5暺嚗蝢踹之+ ]& h+ u( w) { j) Z
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/ | [! ]) ^* d$ P) J/ `靘:蝢銝(CST)涊MT-6,啁涊MT+8,詨榆14撠,喳啁瘥蝢銝剖翰14撠,隞亙啁8暺=8-14+24=18(蝢銝剖銝亦)7 q: h- }/ T- v% W; n0 v+ V
4 W! d- b; ^2 j6 J8 b# Z/ n5 J8 `啁甇瘣脣撌格頛銵| 啁 GMT+8 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | | 镼踵 (WET) GMT+0 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | | 銝剜 (CET) GMT+1 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | | 望 (EET) GMT+2 | 19 | 20 | 21 | 22 | 23 | 24 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | | 急舐 GMT+4 | 21 | 22 | 23 | 24 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | | 镼踵 (WET) 憭 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | | 銝剜 (CET) 憭 | 19 | 20 | 21 | 22 | 23 | 24 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | | 望 (EET) 憭 | 20 | 21 | 22 | 23 | 24 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | | 急舐 Moscow 憭 | 20 | 21 | 22 | 23 | 24 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| 銝剜嚗銝8暺唬5暺嚗甇瘣脫勗瘜敺瑕瑁镼輻剔
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7 n9 _% P. `9 L! |* e[Linux 閮剖交.]閮剖 20101220 11:00 澆 date MMDDhhmmYYYY' l8 G: Y1 Y* R6 |, K. I2 ^
# date 122011002010 霈 BIOS , V" B3 j3 Q, l; q' K
# hwclock -r ) k+ F; p* s* H
撠蝟餌絞-->蝖祇
. a3 b6 c( E2 w' A: s5 y0 L( A- ?& x# hwclock -w ==>撠撖怠半ios' b: {) k% G, b; K% }- Z; ^
撠蝖祇-->蝟餌絞
$ [' |* k$ w, ^. ~# l2 c1 _# hwclock --hctosys 拍 NTP ⊥
2 y2 l! s i" k8 H1 g& l- B# ntpdate -s clock.stdtime.gov.tw # ntp server隢http://luyaku.pixnet.net/blog/post/142160772-%E7%AC%AC3%E7%AB%A0-ntp-server-%E5%AE%89%E8%A3%9D%E8%88%87%E8%A8%AD%E5%AE%9A 靽格寞1 j* {, r. A# a, {- M4 D; U
# cp /usr/share/zoneinfo/Asia/Taipei /etc/localtime //閮剖蝟餌絞箏啣 # vi /etc/sysconfig/clock
/ y- t4 O! [! F7 q( U6 e: d. o9 s* AZONE="Asia/Taipei"
. e* `- H% d( ^7 q$ ^UTC=false, H! i3 C+ D+ t4 I+ J4 X
ARC=false + j* K4 M* `% g2 l" d6 D% x
閮剖箏芸湔唳銝撖怠且IOS:' k/ o4 x: j8 j1 @; V( b
#crontab -e 乩0 Y7 f& U! L* f+ z# ?- t
00 3 * * 1 /usr/sbin/ntpdate time.stdtime.gov.tw && /sbin/hwclock -w //瘥銝拐03:00芸隤踵⊥銝血神且IOS
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CENOS 7 : https://dreamtails.pixnet.net/blog/post/30796120& F: p; V! b& A1 Z3 V
CentOS 8 隞乩寧 chronyd 靘隞τtpdate 隢: https://luyaku.pixnet.net/blog/p ... 5%8F%96%E4%BB%A3ntp
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潸” 2015-10-28 15:16:59
嗉
鈭
霈
