| It can be really annoying. You have just got off | | | | clock in the task bar (up to three). |
| the plane, booted up your lap top and set the | | | | To enable multiple clocks to be displayed simply |
| clock to local time. Yet all your appointments | | | | double click on the time display in the system tray |
| suddenly move, not just the ones on that side of | | | | (bottom-right corner), click the' change date and |
| the ocean either, when you return home and | | | | time settings tab' to bring up a date and time" |
| reset the clock the appointments refuse to go | | | | dialog box, click Additional Clocks tab, tick the |
| back. | | | | check-box of Show this clock, select the |
| This problem occurs because of the way a | | | | time-zone of the clock, enter the display name |
| computer handles time. In general computers | | | | and click OK button. |
| ignore time zones and base their time on UTC | | | | Next time your mouse pointer goes over the |
| (Coordinated Universal Time) the international time | | | | system tray your new clock should be displayed |
| standard. | | | | besides the original (which should be larger). |
| Time can cause havoc with computers, not just | | | | The clocks can also be placed on the Windows |
| with lap tops either. Computers all over the world | | | | sidebar although this can use precious processing |
| need to be telling the same time particularly if | | | | power. |
| they have to perform time sensitive transactions | | | | Another useful application in Windows Vista is |
| or need to keep their networks secure. | | | | being able to synchronise the system clock with a |
| Most computer networks use NTP servers | | | | UTC time source. |
| (Network Time Protocol) to keep synchronized. | | | | Vista already comes equipped with a NTP service |
| NTP time servers use an UTC timing reference | | | | called Windows Time Service (w32tm.exe) which |
| either from the Internet or from a radio or GPS | | | | can synchronise to a UTC time source over the |
| transmission. A UTC timing reference originally | | | | Internet. To do this merely double click on the |
| comes from an atomic clock and is as accurate | | | | clock in the system tray and await the Internet |
| as humanely possible. | | | | Time tab. Click it an enter the name of the UTC |
| When travelling abroad it is good advice NOT to | | | | server you wish to connect to (such as |
| adjust the system clock as your computer (and | | | | windows.time or nist.gov). |
| its associated programs such as Outlook) stores | | | | Vista can handle daylight savings time too. If the |
| all time in UTC form and only offsets for a | | | | system clock (the main one not additional ones) is |
| particular time zone (So in France the time is | | | | set to adjust for daylight saving then the |
| UTC+1 while in the US (EST) it becomes UTC-6. | | | | computer should automatically do it. However it |
| However there are several features on Windows | | | | must be noted that some countries in the same |
| Vista that can make keeping track of the time a | | | | time zone do not practice daylight saving hours so |
| lot easier for travelers. | | | | the correct time should always be double |
| To keep track of the time zone you are travelling | | | | checked. |
| to, windows Vista can display more than one | | | | |