Synchronizing Your Computer's Clock with Penn's Network Time Server
in Windows XP and Windows Vista
To synchronize your computer's clock with Penn's network time
server:
Kerberos requires that your Windows clock be in sync with that
of the Kerberos KDC (ticket-dispensing) server. You can synchronize
your computer's clock with Penn's network time server to ensure
that your computer's date and time remain consistent with that of
the Kerberos server.
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From the Start Menu, select Control Panel.
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From the Control Panel window, select the Date, Time,
Language and Regional Options category.
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Click the Date and Time icon.
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In the Date and Time Properties window, click the Internet
Time tab.
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Click the checkbox labeled "Automatically synchronize
with and Internet time server" to activate it.
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Type "timeserver1.upenn.edu" in the "Server"
field.
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Click OK button in close window and preserve
settings.
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Close the Date and Time control panel.
Note: Penn has 3 time servers. You can use any of these
servers to synchronize time. Below is a list of the Penn time
servers:
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timeserver1.upenn.edu
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timeserver2.upenn.edu
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timeserver3.upenn.edu
To select the proper local time zone for your computer:
Once you have synchronized your computer's clock, if it still differs
widely from your local time, check to determine whether you have
set the time zone correctly.
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From the Start Menu, select Control Panel.
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From the Control Panel window, select the Date, Time,
Language and Regional Options category.
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Click the Date and Time icon.
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In the Date and Time Properties window, click the Time Zone
tab.
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Use the pull-down menu to select the correct local time zone.
For example, select the option that includes "Eastern
Time (US & Canada)" for Philadelphia.
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Click the checkbox labeled "Automatically adjust
clock for dayight savings changes" to activate
it.
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Close Date and Time control panel.
To change the local time zone:
If you have transported your computer to another time zone and
want to display the new local time, you must change the time zone
designation, not the time display itself, in order to maintain proper
synchronization with the network time server. For example, if you
carry a laptop computer with you outside the eastern United States,
or if you take your workstation outside the Eastern time zone during
summer break, you should follow these instructions to reset your
computer's clock.
Note: Do not attempt to manually adjust either
the Current Date or Current Time
fields. They will be automatically and correctly reset by steps
below.
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From the Start Menu, select Control Panel.
-
From the Control Panel window, select the Date, Time,
Language and Regional Options category.
-
Click the Date and Time icon.
-
In the Date and Time Properties window, click the Time Zone
tab.
-
Use the pull-down menu to select the correct local time zone
for your new location. For example, select the option that includes
"United Kingdom" for Liverpool, England.
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Click the checkbox labeled "Automatically adjust
clock for dayight savings changes" to activate
it.
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Close Date & Time control panel.
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