Oregon uses Pacific Time (UTC-7). The state observes daylight saving time, shifting clocks forward by one hour from March to November.
| State | Oregon (OR) |
| Time Zone | Pacific Time |
| IANA ID | America/Los_Angeles |
| Current Offset | UTC-7 |
| Abbreviation | PDT |
| DST | Active — observing daylight saving time |
A small part of eastern Oregon (Malheur County) uses Mountain Time.