DoubleTimeAndZoneInfo.java

import java.time.*;
import net.time4j.*;
import net.time4j.format.expert.*;
import java.util.Locale;

public class DoubleTimeAndZoneInfo {
  
  private static final ChronoFormatter<Moment> FORMATTER =
  		ChronoFormatter.setUp(Moment.axis(), Locale.US)
  		.addPattern("HHmm z (", PatternType.CLDR)
  		.skipUnknown(c -> c != ')', 10) // skips second hour/minute/zone-info (potentially ambivalent)
  		.addPattern(") MMMM dd, uuuu", PatternType.CLDR)
  		.build();
  
  public static void main(String... args) throws ParseException {
  	String input = "0022 GMT (0822 HKT) July 21, 2016";
  	Moment moment = FORMATTER.parse(input);
  	System.out.println("Moment=" + moment); // 2016-07-21T00:22:00Z
  	
  	// conversion to JSR-310-type
  	Instant instant = moment.toTemporalAccessor();
  	System.out.println("Instant=" + instant); // 2016-07-21T00:22:00Z
  }
}