Adjust Ubuntu Linux Timezone from Command Line

sudo dpkg-reconfigure tzdata

Set Time Zone From Command Line in Windows 2003, XP and 2000

Quick and easy way to set timezone from command line in Windows 2003, XP and 2000.

CONTROL.EXE TIMEDATE.CPL,,/Z Eastern Standard Time
CONTROL.EXE TIMEDATE.CPL,,/Z Central Standard Time
CONTROL.EXE TIMEDATE.CPL,,/Z Mountain Standard Time
CONTROL.EXE TIMEDATE.CPL,,/Z Pacific Standard Time

These are a little longer but they do the same thing.

RunDLL32.exe shell32.dll,Control_RunDLL timedate.cpl,,/Z Eastern Standard Time
RunDLL32.exe shell32.dll,Control_RunDLL timedate.cpl,,/Z Central Standard Time
RunDLL32.exe shell32.dll,Control_RunDLL timedate.cpl,,/Z Mountain Standard Time
RunDLL32.exe shell32.dll,Control_RunDLL timedate.cpl,,/Z Pacific Standard Time

See also Set Time Zone From Command Line in Windows 7 and Windows 2008

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Windows 7 (and Windows 2008) Command Line Utility to Change Time Zone

Here is a great hidden command line utility which is available starting in Windows 7, "tzutil.exe," which can be used to view or change the computer's Time Zone. To use this command:

1. Open the Command Prompt.
2. Enter any of following commands:

tzutil /g (To view current time zone)
tzutil /l (To get a list of all available time zones)
tzutil /s time_zone_ID (To change time zone)

time_zone_ID is the new time zone you want to set. Fox example, if you want to set the time zone to "Eastern Standard Time", then the command would be:

tzutil /s "Eastern Standard Time"

See also Set Time Zone From Command Line in Windows 2003, XP and 2000