Ohio Time. What time is it in Ohio Time Zone / Current time. Ohio is in the Eastern Time Zone in the United States of America (USA). Eastern Standard Time ( EST ) is 5 hours behind Greenwich Mean Time ( GMT-5 ). Current Ohio Time (Eastern Time) Current time now in Time Zone: America New York (USA Eastern Time) Does Ohio observe Daylight Saving Time? Like most states in the USA, Daylight-Saving Time ( DST ) is observed in Ohio , where the time is shifted forward by 1 hour to Eastern Daylight Time ( EDT ); which is 4 hours behind Greenwich Mean Time ( GMT-4 ). After the Summer months the time in Ohio is shifted back by 1 hour to US Eastern Standard Time (EST) or (GMT-5). Current rules in effect in USA USA & Canada clocks are now on: STANDARD TIME