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BUG: using .dt.tz_localize('UTC') returns a tz-unaware object #8411

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jreback opened this issue Sep 28, 2014 · 0 comments · Fixed by #8415
Closed

BUG: using .dt.tz_localize('UTC') returns a tz-unaware object #8411

jreback opened this issue Sep 28, 2014 · 0 comments · Fixed by #8415
Labels
Bug Timezones Timezone data dtype
Milestone
0.15.0

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@jreback
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jreback commented Sep 28, 2014 

In [48]: s
Out[48]: 
0    1411161507178
1    1411138436009
2    1411123732180
3    1411167606146
4    1411124780140
5    1411159331327
6    1411131745474
7    1411151831454
8    1411152487758
9    1411137160544
Name: 1, dtype: int64

In [49]: pd.DatetimeIndex(pd.to_datetime(s,unit='ms')).tz_localize('UTC').tz_convert('US/Eastern')
Out[49]: 
<class 'pandas.tseries.index.DatetimeIndex'>
[2014-09-19 17:18:27.178000-04:00, ..., 2014-09-19 10:32:40.544000-04:00]
Length: 10, Freq: None, Timezone: US/Eastern

Which should be equivalent to

In [50]: pd.to_datetime(s,unit='ms').dt.tz_localize('UTC').dt.tz_convert('US/Eastern')
TypeError: Cannot convert tz-naive timestamps, use tz_localize to localize
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Bug Timezones Timezone data dtype
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0.15.0
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@jreback