The time column in my dataframe df looks like
Date_UTC
1998-05-02T00:00:00
1998-05-02T00:01:00
1998-05-02T00:02:00
1998-05-02T00:03:00
1998-05-02T00:04:00
1998-05-02T00:05:00
1998-05-02T00:06:00
1998-05-02T00:07:00
1998-05-02T00:08:00
1998-05-02T00:09:00
1998-05-02T00:10:00
I want to extract time values from it. Please help.