The Southern part of Idaho (except Panhandle and
Clearwater Regions) fall in
the Mountain Time Zone, which is 7 hours behind Greenwich Mean Time (GMT),
while the Northern part of Idaho (Panhandle and Clearwater Regions) fall in the Pacific Time Zone, which is 8
hours behind GMT.
Counties of Idaho and their Time Zones
Idaho is divided into political jurisdictions designated as
counties.
Two counties were first designated as such by the Washington Territorial
Legislature in 1861; they were subsequently re-designated as Idaho counties in
1864