| Zone | Local time | Direction | Offset |
|---|---|---|---|
| America/New_York | 12 Mar 2028 03:00 | Forward | UTC-5 to UTC-4 |
| America/New_York | 12 Mar 2028 03:00 | Forward | UTC-5 to UTC-4 |
| America/New_York | 12 Mar 2028 03:00 | Forward | UTC-5 to UTC-4 |
| America/New_York | 12 Mar 2028 03:00 | Forward | UTC-5 to UTC-4 |
| America/New_York | 12 Mar 2028 03:00 | Forward | UTC-5 to UTC-4 |
| America/New_York | 12 Mar 2028 03:00 | Forward | UTC-5 to UTC-4 |
| America/New_York | 12 Mar 2028 03:00 | Forward | UTC-5 to UTC-4 |
| America/New_York | 12 Mar 2028 03:00 | Forward | UTC-5 to UTC-4 |
| America/Chicago | 12 Mar 2028 03:00 | Forward | UTC-6 to UTC-5 |
| America/Chicago | 12 Mar 2028 03:00 | Forward | UTC-6 to UTC-5 |
| America/Chicago | 12 Mar 2028 03:00 | Forward | UTC-6 to UTC-5 |
| America/Chicago | 12 Mar 2028 03:00 | Forward | UTC-6 to UTC-5 |
| America/Chicago | 12 Mar 2028 03:00 | Forward | UTC-6 to UTC-5 |
| America/Chicago | 12 Mar 2028 03:00 | Forward | UTC-6 to UTC-5 |
| America/Chicago | 12 Mar 2028 03:00 | Forward | UTC-6 to UTC-5 |
| America/Chicago | 12 Mar 2028 03:00 | Forward | UTC-6 to UTC-5 |
| America/Denver | 12 Mar 2028 03:00 | Forward | UTC-7 to UTC-6 |
| America/Denver | 12 Mar 2028 03:00 | Forward | UTC-7 to UTC-6 |
| America/Denver | 12 Mar 2028 03:00 | Forward | UTC-7 to UTC-6 |
| America/Denver | 12 Mar 2028 03:00 | Forward | UTC-7 to UTC-6 |
| America/Denver | 12 Mar 2028 03:00 | Forward | UTC-7 to UTC-6 |
| America/Denver | 12 Mar 2028 03:00 | Forward | UTC-7 to UTC-6 |
| America/Denver | 12 Mar 2028 03:00 | Forward | UTC-7 to UTC-6 |
| America/Denver | 12 Mar 2028 03:00 | Forward | UTC-7 to UTC-6 |
| America/Phoenix | No clock change | ||
| America/Los_Angeles | 12 Mar 2028 03:00 | Forward | UTC-8 to UTC-7 |
| America/Los_Angeles | 12 Mar 2028 03:00 | Forward | UTC-8 to UTC-7 |
| America/Los_Angeles | 12 Mar 2028 03:00 | Forward | UTC-8 to UTC-7 |
| America/Los_Angeles | 12 Mar 2028 03:00 | Forward | UTC-8 to UTC-7 |
| America/Los_Angeles | 12 Mar 2028 03:00 | Forward | UTC-8 to UTC-7 |
| America/Los_Angeles | 12 Mar 2028 03:00 | Forward | UTC-8 to UTC-7 |
| America/Los_Angeles | 12 Mar 2028 03:00 | Forward | UTC-8 to UTC-7 |
| America/Los_Angeles | 12 Mar 2028 03:00 | Forward | UTC-8 to UTC-7 |
| America/Anchorage | 12 Mar 2028 03:00 | Forward | UTC-9 to UTC-8 |
| America/Anchorage | 12 Mar 2028 03:00 | Forward | UTC-9 to UTC-8 |
| America/Anchorage | 12 Mar 2028 03:00 | Forward | UTC-9 to UTC-8 |
| America/Anchorage | 12 Mar 2028 03:00 | Forward | UTC-9 to UTC-8 |
| America/Anchorage | 12 Mar 2028 03:00 | Forward | UTC-9 to UTC-8 |
| America/Anchorage | 12 Mar 2028 03:00 | Forward | UTC-9 to UTC-8 |
| America/Anchorage | 12 Mar 2028 03:00 | Forward | UTC-9 to UTC-8 |
| America/Anchorage | 12 Mar 2028 03:00 | Forward | UTC-9 to UTC-8 |
| Pacific/Honolulu | No clock change |