Die Computer Uhr

by Jack Korten (Australia)

On 5 April 2015 – Daylight Saving Time ends (Also known as Summer Time)

At 3:00 AM, the clock is retarded by 1 hour to 2:00 AM
The new time is called Local Standard Time or Winter Time.

Which clock should one consult to ensure that the time is correct?
The clock on our PC is the most accurate, as it automatically synchronizes with an Internet time server. Windows has a built-in "service" which automatically connects with an atomic clock server, operated by the National Institute of Standards and Technology (NIST) in the United States. The clock is updated on a regular basis.  One needs to be connected to the Internet for the synchronization to occur. 

Click on the time shown in the bottom right corner and in the window which pops up, click on: Change date and time settings…

The first tab: 'Date and Time' displays the local time:
(UTC +10:00) Canberra, Melbourne, Sydney
This window also reminds a person that Daylight Saving Time ends on Sunday, 5 April at 3:00 AM.

By selecting the second tab you may include Additional Clocks, like I have done.
These extra clocks can display the time in other time zones.


When selecting the Internet Time tab, you'll read: "This computer is set to automatically synchronize with 'time.windows.com'."  and:
"This computer is set to automatically synchronize on a scheduled basis."

The panel on the left confirms that the computer is set to synchronize with 'time.windows.com'.

It also displays the time of the next  synchronization, and when the last synchronization took place.

When selecting: Change settings, one can synchronize the system clock instantly, and the next panel will display the most recent synchronization date and time.

One is not compelled to use the default time.windows.com server

When clicking on the arrow, four other US based time servers are displayed in the drop-down menu.  One may also choose from several International NTP servers.  NTP stands for Network Time Protocol, designed to synchronize the clocks of computers. NTP synchronizes all participating computers to within a few milliseconds of Coordinated Universal Time (UTC).

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