Date and Time Settings

These are curent setting from my Blog… i want to change them and i dont know how.
Can anyone help me?

UTC time is: 2007-08-25 1:10:32 pm
Times in the weblog should differ by: -6
Default date format: F j, Y
Default time format: g:i a

I’m From Romania, City: Bucharest
Current time zone: E. Europe Dayloght Time
We Have here: GMT(+02:00) Bucharest

Can anyone tell me what should i change to my blog date & time to make it to show my country date and time?
or at least to tell me what should i change to show America Date & Time.

Thank you !