Shekharrajak commented on code in PR #16577:
URL: https://github.com/apache/iceberg/pull/16577#discussion_r3309579754


##########
format/spec.md:
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@@ -1502,7 +1502,7 @@ Maps with non-string keys must use an array 
representation with the `map` logica
 
 Notes:
 
-1. Avro type annotation `adjust-to-utc` is an Iceberg convention; default 
value is `false` if not present.
+1. Non-zone timestamp types are written using Avro's 
`local-timestamp-{micros,nanos}` logical types. Zone-adjusted timestamp types 
are written using `timestamp-{micros,nanos}` with `adjust-to-utc: true`. 
Readers must also accept legacy files that encode non-zone timestamps as 
`timestamp-{micros,nanos}` with `adjust-to-utc: false`.

Review Comment:
   Following the Avro spec without any confusion. 



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