r"""

>>> format(my_birthday, '')

''

>>> format(my_birthday, 'a')

'p.m.'

>>> format(my_birthday, 'A')

'PM'

>>> format(my_birthday, 'd')

'08'

>>> format(my_birthday, 'j')

'8'

>>> format(my_birthday, 'l')

'Sunday'

>>> format(my_birthday, 'L')

'False'

>>> format(my_birthday, 'm')

'07'

>>> format(my_birthday, 'M')

'Jul'

>>> format(my_birthday, 'b')

'jul'

>>> format(my_birthday, 'n')

'7'

>>> format(my_birthday, 'N')

'July'

>>> no_tz or format(my_birthday, 'O') == '+0100'

True

>>> format(my_birthday, 'P')

'10 p.m.'

>>> no_tz or format(my_birthday, 'r') == 'Sun, 8 Jul 1979 22:00:00 +0100'

True

>>> format(my_birthday, 's')

'00'

>>> format(my_birthday, 'S')

'th'

>>> format(my_birthday, 't')

'31'

>>> no_tz or format(my_birthday, 'T') == 'CET'

True

>>> no_tz or format(my_birthday, 'U') == '300531600'

True

>>> format(my_birthday, 'w')

'0'

>>> format(my_birthday, 'W')

'27'

>>> format(my_birthday, 'y')

'79'

>>> format(my_birthday, 'Y')

'1979'

>>> format(my_birthday, 'z')

'189'

>>> no_tz or format(my_birthday, 'Z') == '3600'

True

>>> no_tz or format(summertime, 'I') == '1'

True

>>> no_tz or format(summertime, 'O') == '+0200'

True

>>> no_tz or format(wintertime, 'I') == '0'

True

>>> no_tz or format(wintertime, 'O') == '+0100'

True

>>> format(my_birthday, r'Y z \C\E\T')

'1979 189 CET'

>>> format(my_birthday, r'jS o\f F')

'8th of July'

"""

from django.utils import dateformat, translation

import datetime, os, time

format = dateformat.format

os.environ['TZ'] = 'Europe/Copenhagen'

translation.activate('en-us')

try:

    time.tzset()

    no_tz = False

except AttributeError:

    no_tz = True

my_birthday = datetime.datetime(1979, 7, 8, 22, 00)

summertime = datetime.datetime(2005, 10, 30, 1, 00)

wintertime = datetime.datetime(2005, 10, 30, 4, 00)