Yes it does. Its in the start menu.
In both Windows XP and Vista, you can change the time zone by accessing the "Date and Time" option in the Control Panel. From there, you can adjust the time settings including selecting a different time zone.
The Control Panel
You can use the Control Panel to install it.
In the control panel, select System. Basic information about your computer will be displayed, including the version and type of operating system in use.
In Windows 2000, you need the Add/Remove Hardware icon in the Control Panel. In Windows 9x/Me, use the PC Card icon in the Control Panel. (page 1088, A+ Guide to Managing & Maintaining Your PC)
The PC Card icon in Control Panel
Add/Remove hardware icon in the control panel.
when you can use windows vista :)
Add/Remove Hardware icon in Control Panel
You get a copy of the mspaint.exe file from Windows XP, and move it to your Windows Vista computer.
Windows Vista DVD.
There is a windows vista freeware that you can download and use. Simply search dreamrender for windows vista freeware and you should come across it.