This week's book giveaway is in the General Computing forum. We're giving away four copies of Arduino in Action and have Martin Evans, Joshua Noble, and Jordan Hochenbaum on-line! See this thread for details.
You can declaratively tune up the time zone by changing the milliseconds of a date/time. On the other hand, you may create a TimeZone object with the Zone ID, and use it with Calendar - that will include the daylight saving as well.