pytz.utc.normalize(pdtnow1)
pytz.utc.normalize(pdtnow2)
utcnow1 = datetime(2014, 1, 1, tzinfo=pytz.utc)
utcnow2 = pytz.utc.localize(datetime(2014, 1, 1))
pdt.normalize(utcnow1)
pdt.normalize(utcnow2)
unexpected results converting timezones in python