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−-*- outline -*-
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−
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−* System timer and system time.
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−
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−** Windows.
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−
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−Windows assume that system timer display locale time.
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−
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−** Debian.
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−
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−UTC=no - system timer display locale time, UTC=yes - UTC time.
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−
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−  $ cat /etc/default/rcS
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−  UTC=no
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−or
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−  UTC=yes
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−
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−If system dual boot with Windows you must set UTC=no.
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−
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−* Getting current date/time.
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−
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−  $ date +"%Y-%m-%d %H:%M:%S"
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−
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−* Setting current date/time.
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−
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−  $ sudo date --set="2009-02-22 12:12:00" +"%Y-%m-%d %H:%M:%S"
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−
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−Or set utc time:
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−
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−  $ sudo date --utc --set="2009-02-22 12:12:00" +"%Y-%m-%d %H:%M:%S"
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−
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−May be prefer use ntpdate(8) command.
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−
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−* Get timezone.
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−
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−System wide configuration:
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−
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−  $ cat /etc/timezone
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−
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−* Get list of supported timezone.
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−
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−  $ tzselect
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−
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−* Set timezone.
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−
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−  $ sudo tzconfig
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−Your current time zone is set to Europe/Kiev
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−Do you want to change that? [n]: y
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−
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−Please enter the number of the geographic area in which you live:
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−
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−    1) Africa           7) Australia
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−    2) America          8) Europe
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−    3) US time zones    9) Indian Ocean
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−    4) Canada time zones 10) Pacific Ocean
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−    5) Asia             11) Use System V style time zones
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−    6) Atlantic Ocean   12) None of the above
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−
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−Number: 8
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−
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−Then you will be shown a list of cities which represent the time zone
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−in which they are located. You should choose a city in your time zone.
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−
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−Amsterdam Andorra Athens Belfast Belgrade Berlin Bratislava Brussels
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−Bucharest Budapest Chisinau Copenhagen Dublin Gibraltar Guernsey Helsinki
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−Isle_of_Man Istanbul Jersey Kaliningrad Kiev Lisbon Ljubljana London
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−Luxembourg Madrid Malta Mariehamn Minsk Monaco Moscow Nicosia Oslo Paris
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−Podgorica Prague Riga Rome Samara San_Marino Sarajevo Simferopol Skopje
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−Sofia Stockholm Tallinn Tirane Tiraspol Uzhgorod Vaduz Vatican Vienna
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−Vilnius Volgograd Warsaw Zagreb Zaporozhye Zurich
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−
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−Please enter the name of one of these cities or zones
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−You just need to type enough letters to resolve ambiguities
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−Press Enter to view all of them again
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−
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−Name: [] Kiev
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−
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−Your default time zone is set to 'Europe/Kiev'.
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−Local time is now:      Sun Feb 22 12:40:16 EET 2009.
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−Universal Time is now:  Sun Feb 22 10:40:16 UTC 2009.
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−Your current time zone is set to Europe/Kiev
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−
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−Or using tzselect:
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−
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−  $ sudo tzselect
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−Please identify a location so that time zone rules can be set correctly.
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−Please select a continent or ocean.
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− 1) Africa
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− 2) Americas
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− 3) Antarctica
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− 4) Arctic Ocean
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− 5) Asia
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− 6) Atlantic Ocean
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− 7) Australia
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− 8) Europe
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− 9) Indian Ocean
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−10) Pacific Ocean
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−11) none - I want to specify the time zone using the Posix TZ format.
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−#? 8
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−Please select a country.
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− 1) Aaland Islands	  18) Greece		    35) Norway
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− 2) Albania		  19) Guernsey		    36) Poland
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− 3) Andorra		  20) Hungary		    37) Portugal
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− 4) Austria		  21) Ireland		    38) Romania
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− 5) Belarus		  22) Isle of Man	    39) Russia
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− 6) Belgium		  23) Italy		    40) San Marino
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− 7) Bosnia & Herzegovina  24) Jersey		    41) Serbia
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− 8) Britain (UK)	  25) Latvia		    42) Slovakia
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− 9) Bulgaria		  26) Liechtenstein	    43) Slovenia
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−10) Croatia		  27) Lithuania		    44) Spain
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−11) Czech Republic	  28) Luxembourg	    45) Sweden
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−12) Denmark		  29) Macedonia		    46) Switzerland
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−13) Estonia		  30) Malta		    47) Turkey
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−14) Finland		  31) Moldova		    48) Ukraine
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−15) France		  32) Monaco		    49) Vatican City
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−16) Germany		  33) Montenegro
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−17) Gibraltar		  34) Netherlands
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−#? 48
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−Please select one of the following time zone regions.
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−1) most locations	   3) Zaporozh'ye, E Lugansk
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−2) Ruthenia		   4) central Crimea
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−#? 1
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−
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−The following information has been given:
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−
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−	Ukraine
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−	most locations
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−
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−Therefore TZ='Europe/Kiev' will be used.
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−Local time is now:	Mon Mar 30 17:25:21 EEST 2009.
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−Universal Time is now:	Mon Mar 30 14:25:21 UTC 2009.
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−Is the above information OK?
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−1) Yes
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−2) No
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−#? 1
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−
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−You can make this change permanent for yourself by appending the line
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−	TZ='Europe/Kiev'; export TZ
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−to the file '.profile' in your home directory; then log out and log in again.
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−
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−Here is that TZ value again, this time on standard output so that you
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−can use the /usr/bin/tzselect command in shell scripts:
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−Europe/Kiev
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−
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−** Debian Lenny.
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−
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−  $ sudo dpkg-reconfigure tzdata