Kentucky Time Zone
Kentucky has two time zones. Louisville, Lexington, Frankfort and much of eastern Kentucky use Eastern Time (ET), while Bowling Green, Owensboro, Paducah, Hopkinsville and much of western Kentucky use Central Time (CT).
Kentucky has two time zones. Louisville, Lexington, Frankfort and much of eastern Kentucky use Eastern Time (ET), while Bowling Green, Owensboro, Paducah, Hopkinsville and much of western Kentucky use Central Time (CT).
Use these references to understand Kentucky’s Eastern–Central split, current UTC offsets, daylight-saving changes and the legal county-line boundary.
Louisville, Lexington, Frankfort and much of eastern Kentucky use Eastern Time.
Eastern Time details →Bowling Green, Owensboro, Paducah, Hopkinsville and much of western Kentucky use Central Time.
Central Time details →Both Kentucky zones move forward in March and return to standard time in November.
See DST rules →See the Eastern–Central boundary where it follows county lines through the state.
View Kentucky map →Open the statewide live-clock page when your main question is what time it is in Kentucky right now.
See Kentucky time now →Convert Eastern or Central Kentucky time to another location for a specific date and time.
Convert Kentucky time →Kentucky’s largest cities span both time zones. The live abbreviations and UTC offsets below update automatically with the date.
| Kentucky Location | Current Time | Current Abbreviation | Current UTC Offset | Reference |
|---|---|---|---|---|
| Louisville | Live | — | — | Louisville Time Zone |
| Lexington | Live | — | — | Eastern Kentucky reference |
| Frankfort | Live | — | — | Eastern Kentucky reference |
| Bowling Green | Live | — | — | Central Kentucky reference |
| Owensboro | Live | — | — | Central Kentucky reference |
| Paducah | Live | — | — | Central Kentucky reference |
| Hopkinsville | Live | — | — | Central Kentucky reference |
| Monticello · Wayne County | Live | — | — | Wayne County history |
Continue with Kentucky’s two zone families, Louisville, official neighboring-state references, current time or the dedicated visual boundary map.
Both Kentucky zones follow the same federal daylight-saving schedule, so Eastern Kentucky normally remains one hour ahead of Central Kentucky. Current abbreviations and UTC offsets are calculated from the date.
Kentucky does not have one statewide UTC offset. The correct offset depends on location and date.
| Kentucky Area | IANA Zone | Current Time | Current UTC Offset | Seasonal Rule |
|---|---|---|---|---|
| Louisville / Eastern Kentucky | America/Kentucky/Louisville | Live | — | EST UTC−05 → EDT UTC−04 |
| Lexington / Frankfort | America/Kentucky/Louisville | Live | — | EST UTC−05 → EDT UTC−04 |
| Wayne County / Monticello | America/Kentucky/Monticello | Live | — | EST UTC−05 → EDT UTC−04 |
| Bowling Green / South-Central Kentucky | America/Chicago | Live | — | CST UTC−06 → CDT UTC−05 |
| Owensboro / Western Kentucky | America/Chicago | Live | — | CST UTC−06 → CDT UTC−05 |
| Paducah / Purchase Area | America/Chicago | Live | — | CST UTC−06 → CDT UTC−05 |
Louisville, Lexington, Frankfort and much of eastern Kentucky use Eastern Time. The abbreviation changes from EST in standard time to EDT during daylight saving time.
Bowling Green, Owensboro, Paducah and much of western Kentucky use Central Time. The abbreviation changes from CST to CDT with the federal daylight-saving schedule.
Both Kentucky time zones observe the current U.S. daylight-saving schedule, so each side advances and returns on the same local dates.
| Kentucky Zone | Standard Time | Standard Offset | Daylight Time | Daylight Offset |
|---|---|---|---|---|
| Eastern Time · Louisville / Lexington / Frankfort | EST | UTC−05:00 | EDT | UTC−04:00 |
| Central Time · Bowling Green / Owensboro / Paducah | CST | UTC−06:00 | CDT | UTC−05:00 |
Compare Louisville with Bowling Green, or switch either side to another U.S. or world location. The live comparison uses each location’s current civil-time rules.
Six facts explain nearly every Kentucky time-zone question, from the county-line boundary to Wayne County’s 2000 change.
Louisville, Lexington, Frankfort and much of the eastern side of the commonwealth use EST/EDT.
Bowling Green, Owensboro, Paducah and Hopkinsville are among the major Central Time locations.
Federal regulation traces the Kentucky Eastern–Central line along county edges rather than a single longitude.
The legal route follows county boundaries, so a county is assigned to one side of the current federal line.
DOT officially relocated Wayne County from Central to Eastern Time, a change preserved in IANA’s Monticello history.
Eastern and Central Kentucky change clocks on the same federal schedule, preserving their normal one-hour difference.
The official boundary is defined in 49 CFR §71.5(c). It enters Kentucky from Indiana, runs east to the west line of Meade County, then follows county boundaries involving Meade, Hardin, LaRue, Taylor, Casey, Pulaski and Wayne before reaching the Tennessee line.
Wayne County officially moved from Central Time to Eastern Time in 2000. The U.S. Department of Transportation published the final rule on August 17, 2000, and the change took effect with the return to standard time that fall.
IANA preserves this history in America/Kentucky/Monticello. For current dates, Monticello follows the same Eastern Time offsets as Louisville, but separate IANA identifiers matter when software needs historically correct timestamps before the county’s change.
This page explains Kentucky time zones, UTC offsets, abbreviations, county boundaries and DST. If your main question is what time it is right now, use the statewide or Louisville current-time pages.
CalendarHours uses date-aware time-zone logic rather than permanently hardcoding one Kentucky offset. America/Kentucky/Louisville is used for Louisville and representative Eastern Kentucky clocks, America/Chicago for current Central Kentucky rules, and America/Kentucky/Monticello when Wayne County’s local time history matters.
The current Eastern–Central boundary is checked against 49 CFR §71.5(c). U.S. daylight-saving dates are checked against NIST. Time-zone histories and IANA identifiers are checked against the IANA Time Zone Database; the latest release verified for this page is tzdb 2026c, released July 8, 2026. Wayne County’s 2000 move is cross-checked with the U.S. Department of Transportation and Federal Register.
Reviewed August 20, 2026. This URL is evergreen; live clocks, current abbreviations and UTC offsets update automatically from supported browser time-zone data.
Kentucky uses two time zones. Louisville, Lexington, Frankfort and much of eastern Kentucky use Eastern Time, while Bowling Green, Owensboro, Paducah and much of western Kentucky use Central Time.
Kentucky has two official time zones: Eastern Time and Central Time.
Yes. Louisville uses EST (UTC−05:00) during standard time and EDT (UTC−04:00) during daylight saving time.
Yes. Lexington is in Eastern Time and follows the same current EST/EDT schedule as Louisville and Frankfort.
Yes. Bowling Green uses CST (UTC−06:00) during standard time and CDT (UTC−05:00) during daylight saving time.
The federal boundary follows county lines involving Meade, Hardin, LaRue, Taylor, Casey, Pulaski and Wayne before reaching Tennessee.
Yes. Both Kentucky zones observe DST. In 2026, daylight saving time runs from March 8 at 2:00 a.m. local time to November 1 at 2:00 a.m. local time.
Eastern Kentucky uses UTC−05:00 in standard time and UTC−04:00 during daylight time. Central Kentucky uses UTC−06:00 in standard time and UTC−05:00 during daylight time.
Wayne County officially moved from Central to Eastern Time in 2000. IANA preserves that county’s distinct historical clock rules in America/Kentucky/Monticello.
Use America/Kentucky/Louisville for Louisville and representative Eastern Kentucky clocks, America/Kentucky/Monticello when Wayne County history matters, and America/Chicago for current Central Kentucky rules.