FULL PRODUCT VERSION :
java version "1.7.0_67"
Java(TM) SE Runtime Environment (build 1.7.0_67-b01)
Java HotSpot(TM) 64-Bit Server VM (build 24.65-b04, mixed mode)


ADDITIONAL OS VERSION INFORMATION :
Linux isis-ws-056 3.13.0-35-generic #62-Ubuntu SMP Fri Aug 15 01:58:42 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux


A DESCRIPTION OF THE PROBLEM :
The time 1971-10-31 01:59:59 UTC when output in timezone Europe/London is output as being in GMT but with an offset of 1 hour.




ADDITIONAL REGRESSION INFORMATION:
Happens on all versions of java I have.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Run supplied source

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
1971-10-31 01:59:59 UTC (+0000)
1971-10-31 02:59:59 BST (+0100)
ACTUAL -
1971-10-31 01:59:59 UTC (+0000)
1971-10-31 02:59:59 GMT (+0100)

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.TimeZone;

public class Doh
{
  public static void main(String[] args)
  {
    SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss z (ZZZZ)");
    TimeZone utcTz = TimeZone.getTimeZone("UTC");
    Calendar utcCal = Calendar.getInstance(utcTz);
    utcCal.setTimeInMillis(57722399000L);
    format.setTimeZone(utcTz);
    System.out.println(format.format(utcCal.getTime()));

    TimeZone lonTz = TimeZone.getTimeZone("Europe/London");
    format.setTimeZone(lonTz);
    System.out.println(format.format(utcCal.getTime()));
    
    System.out.println(System.getProperty("java.version"));
  }
}
---------- END SOURCE ----------

CUSTOMER SUBMITTED WORKAROUND :
No workaround.