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Oklahoma • Live Time-Zone Reference

Oklahoma Time Zone

Oklahoma uses Central Time (CT) statewide. Oklahoma City, Tulsa, Norman, Broken Arrow, Edmond, Lawton, Stillwater, the Oklahoma Panhandle and all 77 Oklahoma counties share the same official civil time. The state uses CST at UTC−06:00 during standard time and CDT at UTC−05:00 during daylight saving time.

Quick answer: Oklahoma has one official time zone and no internal federal time-zone boundary. Use America/Chicago for date-aware software calculations. The Panhandle is legally Central Time too, although tiny Kenton has a long history of informal Mountain Time usage in local life.
Official zones1Central Time statewide
Standard timeCSTUTC−06:00
Daylight timeCDTUTC−05:00
Oklahoma Time Zone at a Glance Current Time in Oklahoma Oklahoma on the U.S. Time Zone Map
Search an Oklahoma city, region, Central Time abbreviation, UTC offset, related state or time-zone tool.
Popular: U.S. Time Zones Central Time CST CDT Oklahoma City Time Now Oklahoma Time Now Daylight Saving Time

Oklahoma Time Zone at a Glance

Oklahoma is officially a one-zone state. The key details are the seasonal CST/CDT change, the Panhandle's legal Central Time status and the distinction between official time and Kenton's historical local custom.

CT

Central Time in Oklahoma

The entire state is officially in Central Time, including all 77 counties and the Oklahoma Panhandle.

Central Time details → CST

Central Standard Time

Oklahoma uses CST at UTC−06:00 during the standard-time portion of the year.

See CST time now → CDT

Central Daylight Time

Oklahoma uses CDT at UTC−05:00 while daylight saving time is in effect.

See CDT time now → DST

Oklahoma Daylight Saving Time

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

See DST rules → OKC

Current Time in Oklahoma City

Oklahoma City uses the statewide Oklahoma time-zone owner; use its current-time page for the live city clock.

See Oklahoma City time now → ⇄

Oklahoma Time Converter

Convert Oklahoma time to another U.S. or world location for a specific date and time.

Convert Oklahoma time →

Oklahoma Time Zone by Major City & Region

Every location below is officially on Central Time. The current abbreviation and UTC offset update automatically with the date.

Current time across Oklahoma →
Oklahoma LocationCurrent TimeCurrent AbbreviationCurrent UTC OffsetReference
Oklahoma City · Oklahoma CountyLive——Oklahoma City time now
Tulsa · Tulsa CountyLive——Northeast Oklahoma
Norman · Cleveland CountyLive——Central Oklahoma
Broken Arrow · Tulsa/Wagoner CountiesLive——Tulsa metro reference
Lawton · Comanche CountyLive——Southwest Oklahoma
Stillwater · Payne CountyLive——North-Central Oklahoma
Boise City · Cimarron CountyLive——Panhandle reference
Kenton · Cimarron CountyOfficial time——Official vs local custom
Central Time Zone Current Time in Oklahoma U.S. Time Zone Map

Oklahoma Time-Zone Guides & Related References

Continue with Central Time, the official related state references, statewide and Oklahoma City clocks, daylight-saving guidance and the correct map owners.

All U.S. time zones →
Statewide zoneCentral TimeThe official time zone used throughout Oklahoma.→ Standard timeCSTUTC−06:00 during standard time.→ Daylight timeCDTUTC−05:00 while DST is active.→ Official related stateMissouriCentral Time neighbor northeast of Oklahoma.→ Official related stateMississippiAnother statewide Central Time reference.→ Live statewide timeCurrent Time in OklahomaStatewide clock plus major Oklahoma city times.→ Live city timeCurrent Time in Oklahoma CityLive current-time owner for the state capital.→ Southern neighborTexasCentral Time along Oklahoma's entire Texas border.→ Visual referenceU.S. Time Zone MapOklahoma map intent consolidates here.→ Zone mapCentral Time Zone MapSee Oklahoma inside the broader Central 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 Official Oklahoma Clock

Oklahoma Central Time & UTC Now

Oklahoma has one official statewide civil time, but its UTC offset changes seasonally. The live cards compare Oklahoma with Denver and UTC while keeping the state's current CST/CDT status date-aware.

Central Time CST CDT UTC Offsets Time Zone Difference
Oklahoma · Central TimeLive timeAmerica/Chicago · current abbreviation and offset
Denver · Mountain TimeLive timeNormally one hour behind Oklahoma.
UTC ReferenceLive timeCoordinated Universal Time · UTC+00:00
Oklahoma Counties77All are officially Central Time.

Oklahoma UTC Offset & Regional Reference

Oklahoma has no official regional UTC-offset split. Every county uses CST at UTC−06:00 in standard time and CDT at UTC−05:00 during daylight saving time.

Explore UTC offsets →
Oklahoma AreaIANA ZoneCurrent TimeCurrent UTC OffsetSeasonal Rule
Oklahoma City / Central OklahomaAmerica/ChicagoLive—CST UTC−06 → CDT UTC−05
Tulsa / Northeast OklahomaAmerica/ChicagoLive—CST UTC−06 → CDT UTC−05
Lawton / Southwest OklahomaAmerica/ChicagoLive—CST UTC−06 → CDT UTC−05
McAlester / Southeast OklahomaAmerica/ChicagoLive—CST UTC−06 → CDT UTC−05
Enid / North-Central OklahomaAmerica/ChicagoLive—CST UTC−06 → CDT UTC−05
Boise City / Oklahoma PanhandleAmerica/ChicagoLive—CST UTC−06 → CDT UTC−05

Where Do Oklahoma Border Crossings Change the Clock?

Most Oklahoma state-line crossings keep the same time: Texas along Oklahoma's border, Kansas along the border, Missouri and Arkansas are on Central Time. The exception is the far western Panhandle: crossing into New Mexico or across the short Colorado border enters Mountain Time, normally one hour behind Oklahoma.

Texas Time Zone Kansas Time Zone New Mexico Time Zone Colorado Time Zone

Oklahoma Standard Time vs Daylight Time

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

Daylight Saving Time guide →
Oklahoma ZoneStandard TimeStandard OffsetDaylight TimeDaylight Offset
Central Time · entire official stateCSTUTC−06:00CDTUTC−05:00
Oklahoma DST Rules When DST Starts When DST Ends DST by State

Compare Oklahoma Central Time

Compare Oklahoma with Denver, New York, Los Angeles, Phoenix 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 Oklahoma Time Works

Six facts explain nearly every Oklahoma time-zone question, from statewide Central Time to the Panhandle, Kenton's local custom and Oklahoma's unusual permanent-time legislation.

01 · Statewide

Oklahoma Has One Official Time Zone

The entire state is legally in Central Time. There is no official Mountain Time county or municipality inside Oklahoma.

02 · Counties

All 77 Counties Are Central Time

Every Oklahoma county follows the same CST/CDT schedule, from McCurtain County in the southeast to Cimarron County in the Panhandle.

03 · Panhandle

The Panhandle Is Officially Central Time

15 U.S.C. §265 explicitly places the Panhandle and Plains sections of Oklahoma in the standard Central Time Zone.

04 · Kenton

Local Custom Is Not a Second Official Zone

Kenton has historical reports of informal Mountain Time use, but its legal federal time-zone assignment remains Central Time.

05 · IANA

Use America/Chicago

America/Chicago is the correct date-aware IANA zone for current and future official Oklahoma civil-time calculations.

06 · Law

Oklahoma Has a Conditional Permanent-DST Statute

A 2024 law would activate year-round DST only if federal law permits it; that federal trigger has not occurred.

Is the Oklahoma Panhandle in Central or Mountain Time?

Officially, the entire Oklahoma Panhandle is in Central Time. Federal law at 15 U.S.C. §265 transferred the Panhandle and Plains sections of Oklahoma into the United States standard Central Time Zone and places the Central–Mountain boundary along Oklahoma's western state line.

Kenton is the source of most confusion. Older Oklahoma publications and local accounts have described the tiny community near New Mexico and Colorado as informally using Mountain Time because of its western ties. That is a local-practice story, not a second official Oklahoma time zone. Current federal boundary law and major current time databases place Kenton in Central Time.

Official Panhandle timeCentral Time · CST/CDT · America/Chicago.
Kenton local customHistorical informal Mountain Time usage may appear in local references; confirm business/event hours when timing is critical.
Western borderCrossing from Oklahoma into New Mexico or Colorado enters Mountain Time.
See Oklahoma on the U.S. MapCentral Time Zone

Will Oklahoma Stop Changing Clocks?

No change is in force as of August 20, 2026. Oklahoma already enacted 25 O.S. §90.29 in 2024. That law says Oklahoma will adopt daylight saving time as its year-round standard if federal law is changed to authorize states to observe DST year-round. The required federal authorization has not occurred, so the statute has not converted Oklahoma to permanent CDT.

At the same time, House Bill 3593, introduced in 2026, proposes the opposite policy: Central Standard Time year-round and rejection of the federal DST advancement. Its latest official action is referral to the House Rules Committee on February 3, 2026. It has not become law. Oklahoma therefore continues to switch between CST and CDT.

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

Oklahoma on the U.S. Time Zone Map

Oklahoma is entirely inside the official Central Time region. The most useful map detail is the western Panhandle edge, where the Central–Mountain boundary follows the Oklahoma–New Mexico state line and the short Oklahoma–Colorado border leads directly into Mountain Time.

U.S. Time Zone Map Central Time Zone Map World Time Zone Map

Looking for the Current Time in Oklahoma?

This page explains Oklahoma's time zone, UTC offsets, abbreviations, Panhandle status and DST. If your main question is what time it is right now, use the statewide current-time page or the dedicated Oklahoma City current-time page.

Statewide current timeCurrent Time in Oklahoma
Oklahoma City current timeCurrent Time in Oklahoma City
Statewide zoneCentral Time Zone
Visual zone referenceCentral Time Zone Map

Sources & Methodology

CalendarHours uses location-aware, date-aware time-zone logic rather than permanently hardcoding Oklahoma as UTC−6 or UTC−5. America/Chicago supplies the Central Time rules used for Oklahoma's official civil time.

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. The Panhandle's official Central Time status is checked against 15 U.S.C. §265, Oklahoma's 77-county geography against state GIS data, and permanent-time policy against current Oklahoma statutes and Legislature records.

IANA — Time Zone Database NIST — Daylight Saving Time Rules U.S. Code — 15 U.S.C. §265 Oklahoma Panhandle Central Time State of Oklahoma — 77 County Boundaries Oklahoma Statutes — 25 O.S. §90.29 Oklahoma Legislature — HB 3593 Status

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

Oklahoma Time Zone FAQ

What time zone is Oklahoma in?

Oklahoma is officially entirely in Central Time. The state uses CST (UTC−06:00) during standard time and CDT (UTC−05:00) during daylight saving time.

How many official time zones are in Oklahoma?

Oklahoma has one official time zone: Central Time. Federal law places the Oklahoma Panhandle in the Central Time Zone as well.

Does all of Oklahoma have the same official time?

Yes. Oklahoma City, Tulsa, Norman, Broken Arrow, Edmond, Lawton, Stillwater, the Panhandle and all 77 counties share the same official Central Time rules.

What time zone is Oklahoma City in?

Oklahoma City is in Central Time and follows the same CST/CDT schedule as the rest of Oklahoma. For the live clock, see Current Time in Oklahoma City.

What time zone is Tulsa in?

Tulsa is in Central Time and follows the same CST/CDT schedule as Oklahoma City and the rest of the state.

What is Oklahoma's UTC offset?

Oklahoma is UTC−06:00 during Central Standard Time and UTC−05:00 during Central Daylight Time.

Does Oklahoma observe daylight saving time?

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

Is Oklahoma on CST or CDT right now?

Oklahoma uses CST during standard time and CDT during daylight saving time. The live clock above calculates the current abbreviation from the date.

What IANA time zone should I use for Oklahoma?

Use America/Chicago for current and future official Oklahoma civil-time calculations.

Is the Oklahoma Panhandle in Mountain Time?

No officially. Federal law places the Panhandle in Central Time. Cross west into New Mexico or northwest into Colorado and you enter Mountain Time.

Does Kenton, Oklahoma use Mountain Time?

Kenton is officially in Central Time. Historical and local sources have described informal Mountain Time use because of its close ties to nearby New Mexico and Colorado, but that local custom does not create a second official Oklahoma time zone.

Is Oklahoma adopting permanent daylight saving or standard time?

No change is in force as of August 20, 2026. Oklahoma's 2024 law would activate year-round DST only if federal law permits it. HB 3593 proposes year-round CST instead, but it remains referred to the House Rules Committee and is not law.