python order dataframe according to date time code example

Example 1: python order dataframe according to date time

df = df.sort_values(by='DateTime1',ascending=True)

Example 2: pandas order by date column

>>> df.sort_values(by='Date') # This now sorts in date order
        Date Symbol
0 2015-02-20      A
2 2015-08-21      A
1 2016-01-15      A