# This timestamp is in UTCmy_ct = datetime.datetime.now(tz=pytz.UTC)
# Now convert it to another timezonenew_ct = my_ct.astimezone(tz)>>> new_ct.isoformat()2017-01-13T11:29:22.601991-05:00
In [1]: from pytz import country_names, country_timezones
In [2]: all_timezones = [country_timezones.get(country) for country in country_names]
In [3]: all_timezonesOut[3]:[['Europe/Andorra'],['Asia/Dubai'],['Asia/Kabul'],['America/Antigua'],['America/Anguilla'],['Europe/Tirane'],['Asia/Yerevan'],['Africa/Luanda'],['Antarctica/McMurdo','Antarctica/Casey','Antarctica/Davis','Antarctica/DumontDUrville','Antarctica/Mawson','Antarctica/Palmer...
In [1]: from pytz import common_timezones_set
In [2]: list(common_timezones_set)Out[2]:['Pacific/Palau','Africa/Algiers','Pacific/Pohnpei','Africa/Brazzaville','America/Goose_Bay','America/North_Dakota/Beulah','Africa/Kinshasa','America/Whitehorse','America/Sao_Paulo','Asia/Jerusalem','Canada/Atlantic','America/Santiago','America/Adak','Pacific/Efate',...