Washington DC London Time Difference

Is Washington DC 4 or 5 Hours Behind London?

Washington DC is typically 5 hours behind London. When it's 3:00 PM in London, it's 10:00 AM in DC. Both cities observe daylight saving time, but the switch dates differ slightly between the US and UK.

During the brief periods when the US and UK change clocks on different weekends (usually in March and November), the difference can temporarily be 4 or 6 hours. For most of the year, it's a consistent 5-hour difference.

Best Time to Call London from Washington DC

Optimal meeting window: 8:00 AM - 11:00 AM DC time (1:00 PM - 4:00 PM London). This catches afternoon business hours in London while being morning in DC.

Government officials, diplomats, and policy organizations frequently schedule transatlantic calls during this window.

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