managing time

i have an application which is time sensitive, so how can use a type of time which is accurate,and can be applied to Acess database and also change according to the local time? for example if i run the program in london it take GMT time and if in USA it take USA's time?
[278 byte] By [student14a] at [2007-11-27 2:35:32]
# 1
What are you trying to do!Why don't you take the user system date
G_Abubakra at 2007-7-12 2:53:57 > top of Java-index,Java Essentials,New To Java...
# 2
Save everything in GMT. Use the timezone setting on the machine that's displaying the time to render it. That way, if someone from New York, London, and Shanghai all need to be at the same conference call, they'll all know when it is in their local time.Grant
ggaineya at 2007-7-12 2:53:58 > top of Java-index,Java Essentials,New To Java...