In [1]:
import datetime

In [2]:
dir(datetime)


Out[2]:
['MAXYEAR',
 'MINYEAR',
 '__doc__',
 '__file__',
 '__name__',
 '__package__',
 'date',
 'datetime',
 'datetime_CAPI',
 'time',
 'timedelta',
 'tzinfo']

In [3]:
datetime.MINYEAR, datetime.MAXYEAR


Out[3]:
(1, 9999)

In [4]:
datetime.datetime.now()


Out[4]:
datetime.datetime(2016, 7, 14, 10, 1, 19, 889351)

In [5]:
datetime.datetime.today()


Out[5]:
datetime.datetime(2016, 7, 14, 10, 1, 20, 586130)

In [6]:
datetime.date.today()


Out[6]:
datetime.date(2016, 7, 14)

In [7]:
datetime.date.now()


---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
<ipython-input-7-d0f0a2e895cd> in <module>()
----> 1 datetime.date.now()

AttributeError: type object 'datetime.date' has no attribute 'now'

In [8]:
import time

In [9]:
time.time()


Out[9]:
1468504887.024219