@Override
            public Date toType(Config config, Date orig) {
                Calendar result = Calendar.getInstance(UTC);
                result.setTime(orig);
                result.set(Calendar.HOUR_OF_DAY, 0);
                result.set(Calendar.MINUTE, 0);
                result.set(Calendar.SECOND, 0);
                result.set(Calendar.MILLISECOND, 0);
                return result.getTime();
            }
Convert from the universal java.util.Date format to the type-specific format
connect/transforms/src/main/java/org/apache/kafka/connect/transforms/TimestampConverter.java