local time in tz
TimeZone.getOffset
int getOffset(int interval)Determines the offset to UTC in effect during a particular interval of time in the time zone tz.
The offset is the number of seconds that you add to UTC time to arrive at local time for tz (ie: negative numbers for time zones west of GMT, positive numbers for east).
Parameters
interval | an interval within the timezone |
Returns
the number of seconds that should be added to UTC to get the