import pytz
from datetime import datetime
import pandas as pd

df = pd.DataFrame({'dates': [datetime(108, 7, 30, 9, 25, 27, tzinfo=pytz.utc),
                             datetime(2018, 3, 20, 9, 25, 27, tzinfo=pytz.utc),
                             datetime(2529, 7, 30, 9, 25, 27, tzinfo=pytz.utc)]})
In [5]: df.dates
Out[5]:
0    0108-07-30 09:25:27+00:00
1    2018-03-20 09:25:27+00:00
2    2529-07-30 09:25:27+00:00
Name: dates, dtype: object