Datetime Parsing and Formating¶

String to DateTime, strptime()¶

%I : 12-hour
%H : 24-hour
%M : Minute
%p : AM/PM
%y : 18
%Y : 2018
%b : Mar
%m : month (1 to 12)
%d : day

In [652]:

dt.datetime.strptime('9-01-18','%d-%m-%y')

Out[652]:

datetime.datetime(2018, 1, 9, 0, 0)

In [128]:

dt.datetime.strptime('09-Mar-2018','%d-%b-%Y')

---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
<ipython-input-128-09b44ac928e9> in <module>()
----> 1dt.datetime.strptime('09-Mar-2018','%d-%b-%Y')

AttributeError: 'datetime.timedelta' object has no attribute 'datetime'

In [129]:

datetime.datetime.strptime('2/5/2018 4:49 PM', '%m/%d/%Y %I:%M %p')

---------------------------------------------------------------------------
NameError                                 Traceback (most recent call last)
<ipython-input-129-201400445f8d> in <module>()
----> 1datetime.datetime.strptime('2/5/2018 4:49 PM', '%m/%d/%Y %I:%M %p')

NameError: name 'datetime' is not defined

Date/DateTime To String¶

str(), standard string format¶

In [130]:

str(dt.datetime.now())

---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
<ipython-input-130-6f15ba84cc1a> in <module>()
----> 1str(dt.datetime.now())

AttributeError: 'datetime.timedelta' object has no attribute 'datetime'

strftime(), custom string format¶

In [131]:

d    = dt.datetime.now()
dt.datetime.strftime(d, '%d-%b-%Y')

---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
<ipython-input-131-830f462914d5> in <module>()
----> 1d    = dt.datetime.now()
 2 dt.datetime.strftime(d, '%d-%b-%Y')

AttributeError: 'datetime.timedelta' object has no attribute 'datetime'