What Time Zone Is Idaho?
Idaho uses 2 time zones: MST (UTC−7), PST (UTC−8). Boise is on MST.
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· Idaho — main zone
America/Boise
Time zones in Idaho
| Time zone | Offset now | Local time | Main areas |
|---|---|---|---|
| Mountain Standard Time (MST) | UTC−7 | --:-- | Boise |
| Pacific Standard Time (PST) | UTC−8 | --:-- | Los Angeles, San Francisco, San Diego, Seattle, Irvine, San Jose |
Convert Idaho time
Main time zone of Idaho
| Time zone | Mountain Standard Time |
|---|---|
| Abbreviation | MST |
| UTC offset | UTC−7 |
| IANA time zone id | America/Boise |
| Daylight saving time | Yes – UTC−7 in winter, UTC−6 in summer |
Daylight saving time in Idaho
2026
- 8 March 2026: Clocks go forward 1 hour at 01:59 local time, from MST (UTC−7) to MDT (UTC−6).
- 1 November 2026: Clocks go back 1 hour at 01:59 local time, from MDT (UTC−6) to MST (UTC−7).
2027
- 14 March 2027: Clocks go forward 1 hour at 01:59 local time, from MST (UTC−7) to MDT (UTC−6).
- 7 November 2027: Clocks go back 1 hour at 01:59 local time, from MDT (UTC−6) to MST (UTC−7).
Idaho time zone FAQ
What time zone is Idaho in?
Idaho spans 2 time zones: MST (UTC−7), PST (UTC−8).
Which areas of Idaho use each time zone?
MST: Boise. PST: Los Angeles, San Francisco, San Diego, Seattle
Does all of Idaho observe daylight saving time?
Yes, every zone in Idaho changes its clocks.
Updated 6 November 2026. Time zone data: IANA tz database.