COMPAT: force int when doing unit conversions in pd.to_datetime · Issue #11760 · pandas-dev/pandas (original) (raw)

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Description

from SO
xref to #11758

We should force int conversions when unit is passed (as by definition these are int-like things).

In [21]: s = pd.Series(["1440643875", "1440644191", "1440645638", "1440998720"], dtype=object)

In [22]: pd.to_datetime(s,unit='s')
ValueError: year is out of range

In [23]: pd.to_datetime(s.astype(int),unit='s')
Out[23]: 
0   2015-08-27 02:51:15
1   2015-08-27 02:56:31
2   2015-08-27 03:20:38
3   2015-08-31 05:25:20
dtype: datetime64[ns]