mapleFU commented on code in PR #39491:
URL: https://github.com/apache/arrow/pull/39491#discussion_r1444138113


##########
cpp/src/parquet/arrow/schema_internal.cc:
##########
@@ -90,7 +90,7 @@ Result<std::shared_ptr<ArrowType>> MakeArrowTime64(const 
LogicalType& logical_ty
 Result<std::shared_ptr<ArrowType>> MakeArrowTimestamp(const LogicalType& 
logical_type) {
   const auto& timestamp = checked_cast<const 
TimestampLogicalType&>(logical_type);
   const bool utc_normalized =
-      timestamp.is_from_converted_type() ? false : 
timestamp.is_adjusted_to_utc();
+      timestamp.is_from_converted_type() ? true : 
timestamp.is_adjusted_to_utc();

Review Comment:
   Here, every caller except here is set to true. See: 
https://github.com/apache/arrow/blob/main/cpp/src/parquet/schema.cc#L443
   
   By the way, I didn't find Int96 in the doc, would Int96 should having 
`is_adjusted_to_utc = true` ? (Rust impl set it false) 



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