Idaho local data guide

Time Difference Between Boise, Idaho, and UTC

As of August 28, 2026, Boise, Idaho, operates on Mountain Daylight Time (MDT), placing the city 6 hours behind Coordinated Universal Time (UTC-6:00). This offset shifts to UTC-7:00 during the winter months when the region observes Mountain Standard Time.

Updated with grounded research as of 2026-08-28.

The short answer

Boise, Idaho, is currently observing Mountain Daylight Time (MDT), which creates a 6-hour time difference behind Coordinated Universal Time (UTC-6:00). Because Boise observes Daylight Saving Time, this offset changes annually, shifting to Mountain Standard Time (UTC-7:00) during the autumn and winter months.

Key facts

Current Offset (August 28, 2026)
UTC-6:00 (MDT)
Standard Time Offset
UTC-7:00 (MST)
2026 Daylight Saving Window
March 8, 2026 – November 1, 2026

Understanding Idaho's Time Zones

While Boise is situated entirely within the Mountain Time Zone, it is important for residents and visitors to note that Idaho is split across two different time zones. The majority of the state, including Boise, follows Mountain Time. However, the northern portion of the state—specifically the Panhandle region north of the Salmon River—observes Pacific Time.

Daylight Saving Time Transitions

Boise adheres to the federal practice of Daylight Saving Time. This means the clocks 'spring forward' one hour in the spring, moving the city from Mountain Standard Time (UTC-7) to Mountain Daylight Time (UTC-6). In the fall, the clocks 'fall back' to return to Mountain Standard Time. These transitions impact scheduling for remote workers, travel planning, and business coordination with partners in other time zones.

Planning Across Time Zones

For those relocating to Boise or coordinating local planning from outside the Mountain Time Zone, consistency is key. Always verify the current date to determine which offset is in effect. If you are conducting business globally, referencing UTC is the most accurate way to avoid confusion during the twice-yearly transition periods.

Common questions

Does all of Idaho observe the same time zone?

No. Most of Idaho, including Boise, uses Mountain Time. However, the northern region of the state (the Panhandle) observes Pacific Time.

When does Daylight Saving Time end in Boise in 2026?

In 2026, Daylight Saving Time ends in Boise on November 1, at which point the city will return to Mountain Standard Time (UTC-7:00).

Related Idaho questions

  • What is the difference between Mountain Standard Time and Mountain Daylight Time?
  • Which Idaho cities use Pacific Time?
  • How to convert UTC to Mountain Time?

Sources and verification