Setting timezone in DatetimeIndex.union looks fishy

[wesm]

Noted during code review

[changhiskhan]

shift also sets self.tz
Need to make self.tz readonly for cached properties like is_normalized etc

[wesm]

Well the issue is that the result might need to be UTC but that assignment would make the result the time zone of the calling time series

[changhiskhan]

Ah, this is a separate issue then. I'll create a new one.

On Nov 27, 2012, at 3:45 PM, Wes McKinney [email protected] wrote:

Well the issue is that the result might need to be UTC but that assignment would make the result the time zone of the calling time series

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