In [1]:

    

# relevant packages for time
# from the standard library:
import time
import datetime

# external packages
import pytz
import dateutil


    

In [43]:

    

# time is based on the c time library
# Return the current time in seconds since the Epoch.
time.time()


    

    
Out[43]:





1404751531.032971

In [42]:

    

?time


    

In [14]:

    

# epoch in greenwich:
time.gmtime(0)


    

    
Out[14]:





time.struct_time(tm_year=1970, tm_mon=1, tm_mday=1, tm_hour=0, tm_min=0, tm_sec=0, tm_wday=3, tm_yday=1, tm_isdst=0)

In [13]:

    

# current time in greenwich
time.gmtime()


    

    
Out[13]:





time.struct_time(tm_year=2014, tm_mon=7, tm_mday=7, tm_hour=12, tm_min=23, tm_sec=2, tm_wday=0, tm_yday=188, tm_isdst=0)

In [72]:

    

# object oriented date/time
import datetime
birthday = datetime.datetime(1976, 2, 23)

class Person:
    def __init__(self, name):
        self.name = name
    @staticmethod
    def born():
        person = Person(name=None)
        return person
Person.born()


    

    
Out[72]:





<__main__.Person instance at 0x103677d40>

In [45]:

    

now = datetime.datetime.now()
now


    

    
Out[45]:





datetime.datetime(2014, 7, 7, 18, 48, 20, 320138)

In [48]:

    

# common format
now.isoformat()


    

    
Out[48]:





'2014-07-07T18:48:20.320138'

In [50]:

    

# date notation
now + datetime.timedelta(days=10)


    

    
Out[50]:





datetime.datetime(2014, 7, 17, 18, 48, 20, 320138)

In [53]:

    

import pytz


    

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In [74]:

    

# current timezone
tz = pytz.timezone('Europe/Amsterdam')
tz


    

    
Out[74]:





<DstTzInfo 'Europe/Amsterdam' LMT+0:20:00 STD>

In [75]:

    

# local time
tz.localize(now)


    

    
Out[75]:





datetime.datetime(2014, 7, 7, 18, 48, 20, 320138, tzinfo=<DstTzInfo 'Europe/Amsterdam' CEST+2:00:00 DST>)

In [79]:

    

import dateutil.parser


    

In [85]:

    

for date in ['23/02/1976', '2000-01-02']:
    print(dateutil.parser.parse(date))


    

    




1976-02-23 00:00:00
2000-01-02 00:00:00

In [86]:

    

datetime.datetime.strptime('03/02/1976', '%d/%m/%Y')


    

    
Out[86]:





datetime.datetime(1976, 2, 3, 0, 0)

In [88]:

    

import dateutil.rrule


    

In [91]:

    




    

    
Out[91]:





datetime.datetime(2014, 7, 7, 19, 8, 1)

In [92]:

    

import pandas


    

In [102]:

    

values = [1,2,3]
times = [datetime.datetime(2000,1,1), datetime.datetime(2000,1,2), datetime.datetime(2000,1,3)]
ts = pandas.TimeSeries(values, index=times)


    

In [103]:

    

import matplotlib.pyplot as plt


    

In [111]:

    

fig, ax = plt.subplots()
ax.plot(times, values)
ax.xaxis.set_major_formatter(matplotlib.dates.DateFormatter('%d-%m'))
ax.xaxis.set_major_locator(matplotlib.dates.DayLocator())


    

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