presto-main/src/main/java/io/prestosql/operator/scalar/DateTimeFunctions.java/DateTimeFunctions/quarterFromTimestampWithTimeZone
class DateTimeFunctions:    @Description("quarter of the year of the given timestamp")
    @ScalarFunction("quarter")
    @SqlType(StandardTypes.BIGINT)
    public static long quarterFromTimestampWithTimeZone(@SqlType(StandardTypes.TIMESTAMP_WITH_TIME_ZONE) long timestampWithTimeZone)
    {
        return QUARTER_OF_YEAR.getField(unpackChronology(timestampWithTimeZone)).get(unpackMillisUtc(timestampWithTimeZone));
    }