Arizona (Phoenix) and Hawaii (Honolulu) do not change clocks.
| Zone | Local time | Direction | Offset |
|---|---|---|---|
| New York, District of Columbia (Washington), and Florida (Miami) | 14 Mar 2027 02:00 to 03:00 | Forward | UTC-5 to UTC-4 |
| New York, District of Columbia (Washington), and Florida (Miami) | 7 Nov 2027 02:00 to 01:00 | Back | UTC-4 to UTC-5 |
| Illinois (Chicago) and Texas (Houston) | 14 Mar 2027 02:00 to 03:00 | Forward | UTC-6 to UTC-5 |
| Illinois (Chicago) and Texas (Houston) | 7 Nov 2027 02:00 to 01:00 | Back | UTC-5 to UTC-6 |
| Colorado (Denver) | 14 Mar 2027 02:00 to 03:00 | Forward | UTC-7 to UTC-6 |
| Colorado (Denver) | 7 Nov 2027 02:00 to 01:00 | Back | UTC-6 to UTC-7 |
| Arizona (Phoenix) | No clock change | ||
| California (Los Angeles) | 14 Mar 2027 02:00 to 03:00 | Forward | UTC-8 to UTC-7 |
| California (Los Angeles) | 7 Nov 2027 02:00 to 01:00 | Back | UTC-7 to UTC-8 |
| Alaska (Anchorage) | 14 Mar 2027 02:00 to 03:00 | Forward | UTC-9 to UTC-8 |
| Alaska (Anchorage) | 7 Nov 2027 02:00 to 01:00 | Back | UTC-8 to UTC-9 |
| Hawaii (Honolulu) | No clock change |