Brussels is 6 hours ahead of Washington DC. Washington DC uses Eastern Time (ET, UTC-5/-4) while Brussels uses Central European Time (CET/CEST, UTC+1/+2). When it's 12:00 PM in Washington DC, it's 6:00 PM in Brussels.
Both cities observe daylight saving time, but they switch on different dates. This can temporarily create 5 or 7-hour differences during transition periods in spring and fall.
Best calling time: 8:00 AM - 12:00 PM Washington DC time. This corresponds to 2:00 PM - 6:00 PM in Brussels, catching afternoon business hours in Belgium.
Washington DC and Brussels are two of the world's most important political capitals. Brussels hosts the European Union headquarters and NATO, making it a critical partner for US foreign policy. There is constant diplomatic and political communication between these two cities.