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Ohio • Live Time-Zone Reference

Ohio Time Zone

Ohio uses Eastern Time (ET) statewide. Columbus, Cleveland, Cincinnati, Toledo, Akron, Dayton and all 88 Ohio counties share the same official civil time. Ohio uses EST at UTC−05:00 during standard time and EDT at UTC−04:00 during daylight saving time.

Quick answer: Ohio has one time zone and no internal time-zone boundary. Use America/New_York for date-aware software calculations. Ohio Revised Code §1.04 defines the state's standard-time baseline from the 75th meridian west of Greenwich, corresponding to UTC−05:00; federal daylight-saving rules advance the clock to UTC−04:00 while DST is in effect.
Time zones1Eastern Time statewide
Standard timeESTUTC−05:00
Daylight timeEDTUTC−04:00
Ohio Time Zone at a Glance Current Time in Ohio Ohio Time Zone Map
Search an Ohio city, Eastern Time abbreviation, UTC offset, related state or time-zone tool.
Popular: U.S. Time Zones Eastern Time EST EDT Cleveland Time Zone Cincinnati Time Zone Ohio Time Zone Map

Ohio Time Zone at a Glance

Ohio is a one-zone state. Every county and major metro area uses Eastern Time, while the abbreviation and UTC offset change seasonally with daylight saving time.

ET

Eastern Time in Ohio

The entire state follows Eastern Time, including all 88 counties and every major Ohio city.

Eastern Time details → EST

Eastern Standard Time

Ohio uses EST at UTC−05:00 during the standard-time portion of the year.

See EST time now → EDT

Eastern Daylight Time

Ohio uses EDT at UTC−04:00 while daylight saving time is in effect.

See EDT time now → DST

Ohio Daylight Saving Time

Ohio currently changes clocks in March and November under the U.S. daylight-saving schedule.

See DST rules → CLE

Cleveland Time Zone

Cleveland has a dedicated Eastern Time reference for city-specific offset, abbreviation and DST questions.

Open Cleveland guide → CVG

Cincinnati Time Zone

Cincinnati has a dedicated Eastern Time reference for local UTC offset, abbreviation and seasonal time.

Open Cincinnati guide →

Ohio Time Zone by Major City & Region

Every major Ohio city and region shares the same Eastern Time clock. Current abbreviations and UTC offsets below update automatically with the date.

Current time across Ohio →
Ohio LocationCurrent TimeCurrent AbbreviationCurrent UTC OffsetReference
Columbus · Franklin CountyLive——Columbus time now
Cleveland · Cuyahoga CountyLive——Cleveland Time Zone
Cincinnati · Hamilton CountyLive——Cincinnati Time Zone
Toledo · Lucas CountyLive——Northwest Ohio reference
Akron · Summit CountyLive——Northeast Ohio reference
Dayton · Montgomery CountyLive——Miami Valley reference
Youngstown · Mahoning CountyLive——Eastern Ohio reference
Marietta · Washington CountyLive——Southeast Ohio reference
Eastern Time Zone Current Time in Ohio Ohio Time Zone Map

Ohio Time-Zone Guides & Related References

Continue with Eastern Time, dedicated Ohio city owners, official related states, current-time pages, daylight-saving guidance and the dedicated Ohio map.

All U.S. time zones →
Statewide zoneEastern TimeThe time zone used throughout Ohio.→ Standard timeESTUTC−05:00 during standard time.→ Daylight timeEDTUTC−04:00 while DST is active.→ Official related stateNorth CarolinaAnother statewide Eastern Time reference.→ Official related statePennsylvaniaEastern Time neighbor to the east.→ City ownerClevelandDedicated Eastern Time reference for Cleveland.→ City ownerCincinnatiDedicated Eastern Time reference for Cincinnati.→ Live statewide timeCurrent Time in OhioStatewide clock plus major Ohio city times.→ Dedicated state mapOhio Time Zone MapVisual Ohio time-zone reference and regional context.→ Zone mapEastern Time Zone MapSee Ohio inside the broader Eastern region.→ Seasonal rulesDaylight Saving TimeCurrent U.S. clock-change dates and rules.→ U.S. directoryU.S. Time ZonesAll state references and major U.S. zones.→
One Ohio Clock

Ohio Eastern Time & UTC Now

Ohio has one statewide civil time, but its UTC offset changes seasonally. The live cards compare Ohio with UTC and Chicago while keeping the state's current EST/EDT status date-aware.

Eastern Time EST EDT UTC Offsets Time Zone Difference
Ohio · Eastern TimeLive timeAmerica/New_York · current abbreviation and offset
Chicago · Central TimeLive timeNormally one hour behind Ohio.
UTC ReferenceLive timeCoordinated Universal Time · UTC+00:00
Ohio Counties88Every county uses Eastern Time.

Ohio UTC Offset & Regional Reference

Ohio has no regional UTC-offset split. Every city and county changes together between EST at UTC−05:00 and EDT at UTC−04:00.

Explore UTC offsets →
Ohio AreaIANA ZoneCurrent TimeCurrent UTC OffsetSeasonal Rule
Columbus / Central OhioAmerica/New_YorkLive—EST UTC−05 → EDT UTC−04
Cleveland / Northeast OhioAmerica/New_YorkLive—EST UTC−05 → EDT UTC−04
Cincinnati / Southwest OhioAmerica/New_YorkLive—EST UTC−05 → EDT UTC−04
Toledo / Northwest OhioAmerica/New_YorkLive—EST UTC−05 → EDT UTC−04
Dayton / West-Central OhioAmerica/New_YorkLive—EST UTC−05 → EDT UTC−04
Marietta / Southeast OhioAmerica/New_YorkLive—EST UTC−05 → EDT UTC−04

Do Ohio Borders Change the Clock?

No at ordinary Ohio border crossings under current rules. Pennsylvania, West Virginia and Michigan use Eastern Time along Ohio's borders. The Indiana counties directly west of Ohio are also Eastern Time, and the Kentucky counties across Ohio's river border use Eastern Time. A traveler must go farther west into Indiana or Kentucky before reaching Central Time.

Pennsylvania Time Zone Indiana Time Zone Kentucky Time Zone Ohio Time Zone Map

Ohio Standard Time vs Daylight Time

Ohio currently observes the U.S. daylight-saving schedule statewide. In 2026 the state advanced clocks on March 8 and returns to standard time on November 1.

Daylight Saving Time guide →
Ohio ZoneStandard TimeStandard OffsetDaylight TimeDaylight Offset
Eastern Time · entire stateESTUTC−05:00EDTUTC−04:00
Ohio DST Rules When DST Starts When DST Ends DST by State

Compare Ohio Eastern Time

Compare Ohio with Chicago, Denver, Los Angeles, London or another location. The live comparison uses current civil-time rules rather than assuming a fixed year-round difference.

Live time
Current abbreviation and UTC offset
Live time
Current abbreviation and UTC offset
Open Full Converter Time Zone Difference

How Ohio Time Works

Six facts explain nearly every Ohio time-zone question, from statewide Eastern Time to the legal standard-time baseline, 88 counties, border travel and current permanent-DST proposals.

01 · Statewide

Ohio Has One Time Zone

The entire state uses Eastern Time. There is no Central, Mountain or Atlantic Time area inside Ohio.

02 · Counties

All 88 Counties Share One Clock

Every Ohio county follows the same EST/EDT schedule, from Williams County in the northwest to Lawrence County in the south.

03 · Cities

Columbus, Cleveland & Cincinnati Match

Ohio's three largest metro anchors use the same Eastern Time clock, as do Toledo, Akron and Dayton.

04 · State Law

75°W Defines Ohio's Standard-Time Baseline

Ohio Revised Code §1.04 sets standard time by the 75th meridian west of Greenwich, corresponding to UTC−05:00.

05 · IANA

Use America/New_York

America/New_York is the correct date-aware IANA zone for current and future Ohio civil-time calculations.

06 · 2025–2026

Permanent DST Is Proposed, Not Active

SCR 6 and HCR 10 urge federal action for permanent daylight saving time; neither changes Ohio's current seasonal clock.

Does All of Ohio Have the Same Time?

Yes. All 88 Ohio counties use Eastern Time. The same clock applies to the Lake Erie shore, Columbus and Central Ohio, the Cincinnati region, Northwest Ohio, Appalachia, the Ohio River communities and every other part of the state. Ohio has no internal time-zone boundary or county-level exception.

88 countiesEvery Ohio county follows the same official Eastern Time rules.
No in-state zone lineYou never change official time zones simply by traveling between Ohio communities.
One seasonal switchWhen Ohio moves between EST and EDT, the entire state changes together.
Current Time in OhioOhio Time Zone Map

What Does Ohio Law Say About Time & Permanent DST?

Ohio Revised Code §1.04 says the standard time throughout Ohio is the mean astronomical time of the 75th degree of longitude west from Greenwich. That meridian corresponds to a UTC−05:00 standard-time baseline—the offset used by Eastern Standard Time. During federally prescribed daylight saving time, Ohio advances one hour to EDT at UTC−04:00.

No permanent-DST change is in force as of August 20, 2026. In the 136th General Assembly, Senate Concurrent Resolution 6 and House Concurrent Resolution 10 urge Congress to make daylight saving time permanent. Both remain resolutions rather than enacted changes to Ohio civil time, and neither is enrolled. Ohio therefore continues to alternate between EST and EDT.

Daylight Saving Time Is Daylight Saving Time Ending? Eastern Time Zone Time Zone Chart
Visual Geography

Ohio Time Zone Map

Ohio sits entirely inside Eastern Time. The dedicated state map is useful for confirming that no internal boundary cuts across the state and for understanding Ohio's relationship to Indiana and Kentucky, where Central Time exists farther west even though the areas directly bordering Ohio remain Eastern.

Ohio Time Zone Map Eastern Time Zone Map U.S. Time Zone Map

Looking for the Current Time in Ohio?

This page explains Ohio's time zone, UTC offsets, abbreviations, legal standard-time baseline and DST. For live clocks, use the statewide Ohio page or the dedicated Columbus, Cincinnati and Cleveland current-time pages.

Statewide current timeCurrent Time in Ohio
Columbus current timeCurrent Time in Columbus
Cincinnati current timeCurrent Time in Cincinnati
Cleveland current timeCurrent Time in Cleveland

Sources & Methodology

CalendarHours uses location-aware, date-aware time-zone logic rather than permanently hardcoding Ohio as UTC−5 or UTC−4. America/New_York supplies the Eastern Time rules used throughout the state.

The IANA Time Zone Database is the primary rules source for civil offsets and transitions. The latest release verified for this page is tzdb 2026c, released July 8, 2026. U.S. daylight-saving dates are checked against NIST. Ohio's standard-time statute is checked against Ohio Revised Code §1.04, the 88-county structure against official Ohio government sources, and permanent-DST advocacy in the 136th General Assembly against official Ohio Legislature records.

IANA — Time Zone Database NIST — Daylight Saving Time Rules Ohio Revised Code §1.04 — Standard Time Supreme Court of Ohio — 88 Counties Ohio Legislature — SCR 6 Permanent DST Resolution Ohio Legislature — HCR 10 Permanent DST Resolution

Reviewed August 20, 2026. This URL is evergreen; live clocks, current abbreviations and UTC offsets update automatically from supported browser time-zone data.

Ohio Time Zone FAQ

What time zone is Ohio in?

Ohio is entirely in Eastern Time. The state uses EST (UTC−05:00) during standard time and EDT (UTC−04:00) during daylight saving time.

How many time zones are in Ohio?

Ohio has one official time zone: Eastern Time. There is no internal time-zone boundary.

Does all of Ohio have the same time?

Yes. Columbus, Cleveland, Cincinnati, Toledo, Akron, Dayton and all 88 counties share the same official Eastern Time rules.

What time zone is Columbus, Ohio in?

Columbus is in Eastern Time and follows the same EST/EDT schedule as the rest of Ohio. For the live clock, see Current Time in Columbus.

What time zone is Cleveland, Ohio in?

Cleveland is in Eastern Time and uses the same EST/EDT schedule as Columbus and Cincinnati. See the dedicated Cleveland Time Zone guide.

What time zone is Cincinnati, Ohio in?

Cincinnati is in Eastern Time and uses EST during standard time and EDT during daylight saving time. See the dedicated Cincinnati Time Zone guide.

What is Ohio's UTC offset?

Ohio is UTC−05:00 during Eastern Standard Time and UTC−04:00 during Eastern Daylight Time.

Does Ohio observe daylight saving time?

Yes. In 2026, daylight saving time in Ohio runs from March 8 at 2:00 a.m. local time to November 1 at 2:00 a.m. local time.

Is Ohio on EST or EDT right now?

Ohio uses EST during standard time and EDT during daylight saving time. The live clock above calculates the current abbreviation from the date.

What IANA time zone should I use for Ohio?

Use America/New_York for current and future Ohio civil-time calculations.

What does Ohio law say about standard time?

Ohio Revised Code §1.04 defines statewide standard time using the 75th meridian west of Greenwich, corresponding to the UTC−05:00 Eastern Standard Time baseline. Seasonal DST advances the clock one hour while in effect.

Is Ohio making daylight saving time permanent?

No change is in force as of August 20, 2026. SCR 6 and HCR 10 urge Congress to make daylight saving time permanent, but neither resolution changes Ohio's current EST/EDT schedule.