Partial-state coverage
Mountain Time
Part of eastern Oregon uses Mountain Time.
- Standard time
- MST · UTC-07:00
- Daylight time
- MDT · UTC-06:00
- Daylight saving
- Varies within this zone
- IANA identifiers
- America/Denver, America/Boise, America/Phoenix
OR time guide
Time Zones in Oregon
Oregon spans Pacific and Mountain Time, with most of the state in Pacific Time.
2 time zonesSplit-zone jurisdictionObserved statewide
Time-zone coverage
Partial-state coverage
Pacific Time
Most of Oregon uses Pacific Time.
- Standard time
- PST · UTC-08:00
- Daylight time
- PDT · UTC-07:00
- Daylight saving
- Observed throughout this zone
- IANA identifiers
- America/Los_Angeles
Daylight saving time in Oregon
Oregon follows the federal daylight-saving schedule in both time-zone areas.
Check an address near a boundary
Time-zone boundaries can follow county lines and local legal definitions rather than a simple east-west line. Check the exact address when timing matters.
Find a time zone by address