1.Press 
until you see World City. Press S to enter Setting Mode.
2.Press ENTER to select Set DST.
Press 
or 
to cycle between DST On or DST Off. Press ENTER to select your choice.
3.Press 
to highlight Set World City and press ENTER to select it.
Press 
or 
until the city you want is displayed. Press ENTER to select it.
4.Press 
to exit Setting Mode and see the World City time.