from datetime import datetime
dt = datetime.strptime('2015-04-08T07:52:00Z', '%Y-%m-%dT%H:%M:%SZ')
print dt.strftime('%d/%m/%Y')
#------------------------------------------------------------------------
from datetime import datetime
timestamp = 1545730073
dt_obj = datetime.fromtimestamp(1140825600)
print("date_time:",dt_obj)
print("type of dt:",type(dt_obj))
import datetime
import pytz
# naive datetime
d = datetime.datetime.strptime('01/12/2011', '%d/%m/%Y')
>>> datetime.datetime(2011, 12, 1, 0, 0)
# add proper timezone
pst = pytz.timezone('America/Los_Angeles')
d = pst.localize(d)
>>> datetime.datetime(2011, 12, 1, 0, 0,
tzinfo=<DstTzInfo 'America/Los_Angeles' PST-1 day, 16:00:00 STD>)
# convert to UTC timezone
utc = pytz.UTC
d = d.astimezone(utc)
>>> datetime.datetime(2011, 12, 1, 8, 0, tzinfo=<UTC>)
# epoch is the beginning of time in the UTC timestamp world
epoch = datetime.datetime(1970,1,1,0,0,0,tzinfo=pytz.UTC)
>>> datetime.datetime(1970, 1, 1, 0, 0, tzinfo=<UTC>)
# get the total second difference
ts = (d - epoch).total_seconds()
>>> 1322726400.0
import time
from datetime import datetime
d = datetime(2017, 6, 11, 0, 0)
unixtime = time.mktime(d.timetuple())