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https://issues.apache.org/jira/browse/HIVE-25268?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17365869#comment-17365869
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Nikhil Gupta commented on HIVE-25268:
-------------------------------------
To summarize there are two issues:
# Time zone calculation is different in new java time APIs for
timestamp/Instant before 1900
# Julian/Gregorian Calendar issue
> date_format udf doesn't work for dates prior to 1900 if the timezone is
> different from UTC
> ------------------------------------------------------------------------------------------
>
> Key: HIVE-25268
> URL: https://issues.apache.org/jira/browse/HIVE-25268
> Project: Hive
> Issue Type: Bug
> Components: UDF
> Affects Versions: 3.1.0, 3.1.1, 3.1.2, 4.0.0
> Reporter: Nikhil Gupta
> Priority: Major
> Fix For: 4.0.0
>
>
> *HDI 3.6 (Hive 1.2.1)*:
> {code:java}
> select date_format('1400-01-14 01:00:00', 'yyyy-MM-dd HH:mm:ss Z');
> ----------------------------+
> | _c0 |
> ----------------------------+
> | 1400-01-14 01:00:00 +0700 |
> ----------------------------+
> {code}
> *HDI 4.0(Hive 3.1, Hive 4.0):*
> {code:java}
> select date_format('1400-01-14 01:00:00', 'yyyy-MM-dd HH:mm:ss Z');
> +----------------------------+
> | _c0 |
> +----------------------------+
> | 1400-01-06 01:17:56 +0700 |
> +----------------------------+{code}
> VM timezone is set to 'Asia/Bangkok'
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