<Li> Nunavut, most of </Li> <P> All observe Daylight Saving Time in sync with the United States, with very localized exceptions . </P> <P> The boundary between time zones is set forth in the Code of Federal Regulations, with the boundary between the Eastern and Central Time Zones being specifically detailed at 49 CFR 71 . </P> <P> Seventeen states and Washington, D.C. are located entirely within the Eastern Time Zone . They are: </P>

Where is the time zone change from eastern to central