安裝pytz
pip install pytz
獲取國家時區列表
print pytz.country_timezones('cn')
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完整例範
from datetime import datetime
import pytz
now = datetime.now()
print now
tz = pytz.timezone('America/New_York')
nyNow = datetime.now(tz)
print nyNow
c = tz.localize(now)
print c


