Ohio is in what time zone | sameerbedar07

Ohio is in what time zone

What Time Zone Is Ohio In

Ohio Local Time Details

Time Zone

Eastern Standard Time - is abbreviated as EST
Eastern Daylight Time - is abbreviated as EDT


Ohio is GMT/UTC - 5h during Standard Time
Ohio is GMT/UTC - 4h during Daylight Saving Time

Daylight Saving
Time Usage

Ohio does utilize Daylight Saving Time.

Daylight Saving
Start Date

Ohio starts Daylight Saving Time on
Sunday, March 13, 2022, at 2:00 AM local time.

Daylight Saving
End Date

Ohio ends Daylight Saving Time on
Sunday, November 6, 2022, at 2:00 AM local time.

Current Local Time in Selected Ohio Places

Time Zone Look Up by State with Current Local Times

History of Ohio Time Zones

Before time zones were introduced to the United States of America, time could differ greatly from one town or state to the next. People would use the sun to tell the time, setting their clocks to midday when the sun passed over the meridian.

This system became problematic over time, especially when railroads needed to establish proper train schedules.

So, in 1883, four major time zones were laid out for the contiguous United States. The Pacific, Mountain, Central, and Eastern zones were introduced then, and the state of Ohio was entirely placed within the Eastern Time Zone. Ohio is one of seventeen states that are totally contained within this time zone, with some other examples including New York and Virginia.

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Time Zone

Eastern Time ZoneThe Eastern Time Zone (ET) covers the whole of Ohio, as well as sixteen other states. It also applies in small to large parts of five other US states. The Eastern Time Zone covers more states than any other time zone and around half of the US population observes Eastern Time (ET).

ET is divided into two forms: Eastern Standard Time (EST) and Eastern Daylight Time (EDT). EST applies outside of the summer months and is five hours behind Coordinated Universal Time (UTC-5), while EDT is four hours behind UTC and is used during daylight savings periods.

Along with Ohio, the Eastern Time Zone also covers parts of Canada, one Mexican state, some Caribbean Islands, and parts of Central and South America. Due to the fact that it covers half of the US population and the country’s capital city, the Eastern Time Zone is regarded as the dominant time zone in the US and is usually the number one time zone listed by TV networks all around the nation.

Daylight Savings in Ohio

The entire state of Ohio, like almost every other state in the US, uses daylight savings time. Therefore, from the second Sunday of March through to the first Sunday of November, the state moves from EST to EDT, turning the clocks back one hour at the start and moving them forwards an hour at the end of this period.

This system of daylight savings was introduced in 1966 and expanded with the Energy Policy Act of 2005.

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2022 Time Zones - The Discovery of the Ohio River Historical Marker


The graph above illustrates clock changes in The Discovery of the Ohio River Historical Marker during 2022.

Time Changes in The Discovery of the Ohio River Historical Marker Over the Years

Daylight Saving Time (DST) changes do not necessarily occur on the same date every year.Time zone changes for: Recent/upcoming years2020 — 20292010 — 20192000 — 20091990 — 19991980 — 19891970 — 1979
YearDate & TimeAbbreviationTime ChangeOffset After
2021Sun, 14 Mar, 02:00ESTEDT+1 hour (DST start)UTC-4h
Sun, 7 Nov, 02:00EDTEST-1 hour (DST end)UTC-5h
2022Sun, 13 Mar, 02:00ESTEDT+1 hour (DST start)UTC-4h
Sun, 6 Nov, 02:00EDTEST-1 hour (DST end)UTC-5h
2023Sun, 12 Mar, 02:00ESTEDT+1 hour (DST start)UTC-4h
Sun, 5 Nov, 02:00EDTEST-1 hour (DST end)UTC-5h
2024Sun, 10 Mar, 02:00ESTEDT+1 hour (DST start)UTC-4h
Sun, 3 Nov, 02:00EDTEST-1 hour (DST end)UTC-5h
2025Sun, 9 Mar, 02:00ESTEDT+1 hour (DST start)UTC-4h
Sun, 2 Nov, 02:00EDTEST-1 hour (DST end)UTC-5h

How Railroads Created Time Zones

England’s railroads also needed standardization for their timetables. In 1840, the Great Western Railway became the first to adopt London time, and most railroads soon followed suit. In 1847, the Railway Clearing House recommended switching to GMT. The Royal Observatory transmitted its first telegraph signal for setting clocks on August 23, 1852, and by the mid-1850s, most public clocks in Britain were set to GMT.

A few holdouts used a pair of minute hands—one for local time, the other for GMT—and the legal and electoral system followed local “sun time” until 1880.In the United States, amateur astronomer William Lambert lobbied Congress for time standardization as early as 1809.

The idea didn’t gain traction until 1869 when Charles Ferdinand Dowd drew up a plan for “Railway Time.” Dowd ran a school for girls in Saratoga Springs, NY, and developed his ideas as a teacher posing problems to students. Initially, he proposed a single, nationwide time zone based on the time in Washington, DC, similar to England’s GMT.

But the vastness of the United States made that impractical, so in 1872 he revised his scheme to create four sections set off by an hour, similar to those used today. Despite being ratified by a group of railroad managers, Dowd’s plan stalled.

Time Zones Come to the US

A Scottish-born Canadian railway engineer, Sir Sandford Fleming, led the next push for standardizing time not only in North America, but also around the world. In 1878, he published “Terrestrial Time,” a pamphlet that set out a plan similar to Dowd’s and advocating for global time standardization. He cited the problem of a steamship traveler from Britain arriving in America and transferring to a train. How, Fleming reasoned, could such a traveler know what time to catch his train?

Fleming’s proposal also might have languished if not for William F. Allen, another railroad engineer and editor of the Official Guide to Railways. Allen became a crusader for standardized time, traveling the continent to drum up support. Another booster, Cleveland Abbe, the first head of the US Weather Bureau, put his weight behind standard time and enlisted the American Meteorological Society. That society’s 1879 “Report on Standard Time” helped push the railroad companies to institute a version of Fleming’s plan in 1883.

The following year, under Fleming’s leadership, the International Prime Meridian Conference met in Washington, DC. The conference agreed on Greenwich as the “prime” (zero degrees) meridian from which 24 international time zones would be calculated. Each zone represented 15 degrees of longitude and one hour of time.

American adherence to the new time zones remained voluntary, and a few places resisted. Detroit, about halfway between the meridians for Eastern and Central time, stuck with local time until 1900, tried Central time for awhile, then by popular vote adopted Eastern time in 1916.

The Standard Time Act of 1918

US time zones weren’t mandatory until March 19, 1918, when Congress passed the Standard Time Act, stating that the Interstate Commerce Commission would regulate time zones (taken over by the new Department of Transportation in 1966). Even so, the boundaries and number of zones across the continent have been fluid. Alaska was originally split into four time zones, but in 1983, with the exception of the westernmost Aleutian Islands, the state switched to a single Alaska Standard Time zone. Time zone lines have moved slightly westward since 1918, too, as places on eastern edges jump to the adjacent zone in search of an extra hour of daylight in the evening.

That 1918 act also gave all Americans an extra hour of evening daylight by instituting the nation’s first daylight saving time. The controversial wartime measure was repealed the next year, then reinstituted year-round as “War Time” during World War II, and finally standardized by the Uniform Time Act of 1966. Loopholes still let states and localities opt out: Arizona, Hawaii and several US territories don’t observe daylight saving time.

Today, the United States and its territories encompass nine standard time zones in Coordinated Universal Time (UTC), the successor to GMT. These nine zones range from UTC minus four hours to UTC minus 11 hours, as well as UTC plus 10 hours in the Pacific.

US Time Zones History Fun Facts

  • Nepal was the last country to adopt a standard time based on GMT (plus 5 hours, 45 minutes), in 1986.
  • Not all countries embraced standard time zones with even hours based on GMT. Several, including India, Iran, Afghanistan, Myanmar, Sri Lanka, Venezuela and parts of Australia, use half-hour deviations, while a few use quarter-hour differences.
  • China is the largest country with a single time zone; until the Communist takeover in 1949, it spanned five zones. France, with its islands in the Caribbean and Pacific and its jurisdiction over Guiana in South America, has the most time zones, with 12.
  • Before standardization of daylight saving time in 1966, bus drivers on a 35-mile stretch of Route 2 between Moundsville, WV, and Steubenville, Ohio, had to reset their watches seven times.

Sunrise, sunset, day length and solar time for Ohio

  • Sunrise: 06:02
  • Sunset: 21:03
  • Day length: 15h 2m
  • Solar noon: 13:33
  • The current local time in Ohio is 93 minutes ahead of apparent solar time.

Time difference
from Ohio

Los Angeles
−3 hours
−1 hours
New York0
São Paulo+1 hours
UTC+4 hours
Lagos+5 hours
London+5 hours
Cairo+6 hours
Johannesburg+6 hours
Paris+6 hours
Zurich+6 hours
Istanbul+7 hours
Moscow+7 hours
Dubai+8 hours
Mumbai+9.5 hours
Hong Kong+12 hours
Shanghai+12 hours
Singapore+12 hours
Tokyo+13 hours
Sydney+14 hours

Ohio on the map

  • Location: United States
  • Latitude: 40.25. Longitude: -83.00
  • Population: 11,467,000
  • Elevation: 290 m

Annual average temperatures
for Ohio 1895-2021

Each of the stripes represents one year.
Graphics by Ed Hawkins, using data from NOAA.






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