BUG: astype from tz-naive to tz-aware uses tz_localize semantics#65187
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jbrockmendel wants to merge 1 commit intopandas-dev:mainfrom
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BUG: astype from tz-naive to tz-aware uses tz_localize semantics#65187jbrockmendel wants to merge 1 commit intopandas-dev:mainfrom
jbrockmendel wants to merge 1 commit intopandas-dev:mainfrom
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…das-dev#49281) Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
.astypefrom tz-naive to tz-aware datetime now usestz_localizesemantics (treat as wall times), consistent with theSeries/DatetimeIndexconstructorsDatetimeArray.astypeno longer raisesTypeErrorfor tz-naive to tz-aware; it callstz_localizeinsteadcloses #49281
Test plan
test_arrow.pysuite passes (25k+ tests)🤖 Generated with Claude Code