There is never a time difference between Detroit, Oregon, USA and Seattle, Washington, USA (UTC-8/UTC-7).
Detroit, Alabama, USA, Detroit, Illinois, USA, Detroit, Kansas, USA, and Detroit, Texas, USA (UTC-6/UTC-5) are almost always two hours ahead of Seattle WA.
Detroit, Maine, USA and Detroit, Michigan, USA (UTC-5/UTC-4) are almost always three hours ahead of Seattle WA.
Detroit ILL @ central daylight time and Seattle WA @ pacific daylight time so the difference is two 2 hours. Seattle being two hours earlier.
There is no time difference between Detroit and Miami.
There is no time difference between California, USA and Seattle, WA, USA
http://www.worldtimeengine.com/doTime/seattle/tokyo/
They are spelt differently.
3 hours
Seattle (Washington) and California are in the same time zone.
3 hours
two hours
Detroit is closer at 1,271 miles. Seattle is 1,332 miles from Denver.
Seattle is -8 hours behind England. At 9am in Seattle, it would be 5pm in Birmingham (or anywhere else in the UK as it has one timezone).
The amount of rain fall is about the same but the seattle is overcast about 70% of the time and is about ten degriese colder
Seattle is two hours ahead of Honolulu at the beginning of March and three hours ahead at the end of March.