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Eastern Standard Time - is abbreviated as EST. Eastern Daylight Time- is abbreviated as EDT. Southeast, Michigan is GMT/UTC - 5h during Standard Time. Southeast, Michigan is GMT/UTC - 4h during Daylight Saving Time.
How many time zones does Ohio have name the time zones? Ohio is in only one time zone - the Eastern time zone. Ohio does utilize Daylight Saving Time. Ohio is GMT/UTC - 5h during Standard Time (EST). Ohio is GMT/UTC - 4h during Dâ¦aylight Saving Time (EDT). Making the world better, one answer at a time.