How many hours ahead is Washington dc to Washington state?

Washington, D.C. is in the Eastern Time Zone (ET), while Washington state is primarily in the Pacific Time Zone (PT). This means that Washington, D.C. is typically 3 hours ahead of Washington state. For example, when it is noon in Washington, D.C., it is 9 AM in Washington state. However, during Daylight Saving Time, this difference remains the same.