datetime to string with series in python pandas

Question

I need to make this simple thing  dates   p to datetime p Series   20010101    20010331     format     Y m d   dates str  But I get an error  How should I transform from datetime to string

User · Answer

As of version 17 0  you can format with the dt accessor   dates dt strftime   Y- m- d     Reference

User · Answer

There is a pandas function that can be applied to DateTime index in pandas data frame    date   dataframe index  date is the datetime index date   dates strftime   Y- m- d    this will return you a numpy array  element is string  dstr   date tolist    this will make you numpy array into a list   the element inside the list    u 1910-11-02    You might need to replace the  u    There might be some additional arguments that I should put into the previous functions

User · Answer

There is no str accessor for datetimes and you can t do dates astype str  either  you can call apply and use datetime strftime   In  73    dates   pd to datetime pd Series   20010101    20010331     format     Y m d   dates apply lambda x  x strftime   Y- m- d    Out 73   0    2001-01-01 1    2001-03-31 dtype  object   You can change the format of your date strings using whatever you like  strftime   and strptime   Behavior   Update  As of version 0 17 0 you can do this using dt strftime  dates dt strftime   Y- m- d     will now work

[python] datetime to string with series in python pandas

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