Hong Kong is 13 hours ahead of Washington DC during Eastern Standard Time (or 12 hours during EDT). Washington DC uses Eastern Time (ET, UTC-5/-4) while Hong Kong uses Hong Kong Time (HKT, UTC+8). When it's 12:00 PM in Washington DC, it's 1:00 AM the next day in Hong Kong.
Washington DC observes daylight saving time while Hong Kong does not. This means the difference varies between 12 and 13 hours throughout the year.
Best calling time: 7:00 PM - 10:00 PM Washington DC time. This corresponds to 8:00 AM - 11:00 AM in Hong Kong (during EST), catching morning business hours in Hong Kong.
Washington DC and Hong Kong have important political and economic ties. The US Consulate in Hong Kong monitors developments in this key financial center. Trade and regulatory matters require constant communication between government officials and the business community.