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Changing the Date and Time

Keep your system time accurate, because Windows uses it to timestamp files and email, schedule tasks, and record events.

To set the date and time

Choose Start > Control Panel > Date, Time, Language, and Regional Options > Date and Time, or double-click the clock in the taskbar.

On the Date & Time tab (Figure 4.48), adjust the date and time as needed.

Figure 4.48. To set the time in the Time box, type new numbers; press the up- and down-arrow keys; or click the small up and down arrows.

On the Time Zone tab (Figure 4.49), select your time zone in the list.

Figure 4.49. The map is decorative; you can’t click your location to specify your time zone.

Windows assumes that you want to Automatically Adjust Clock for Daylight Saving Changes. Uncheck this box if you don’t want to use daylight saving time.

On the Internet Time tab (Figure 4.50), check Automatically Synchronize with an Internet Time Server to synchronize your computer clock with a highly accurate clock. (Type any time-server address in the Server box.) Once a week is the only interval you get unless you click Update Now.

Figure 4.50. For hyperaccurate system time, use Tardis 2000 ($20 U.S.; www.kaska.demon.co.uk) or Dimension 4 (free; www.thinkman.com) to synchronize the clock at fine intervals. When your computer is shut down, the motherboard battery maintains the time.

Click OK (or Apply).

✓ Tips

  • Internet-time synchronization occurs regularly only if you have a full-time internet connection such as DSL or cable. If you use dial-up, click Update Now while you’re connected to the internet to synchronize your clock immediately.

  • A time server won’t synchronize your system time if your date is incorrect.

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