presto-main/src/main/java/io/prestosql/util/DateTimeUtils.java/DateTimeUtils/parseTimestampWithTimeZone
class DateTimeUtils:    public static long parseTimestampWithTimeZone(TimeZoneKey timeZoneKey, String timestampWithTimeZone)
    {
        DateTime dateTime = TIMESTAMP_WITH_OR_WITHOUT_TIME_ZONE_FORMATTER.withChronology(getChronology(timeZoneKey)).withOffsetParsed().parseDateTime(timestampWithTimeZone);
        return packDateTimeWithZone(dateTime);
    }