Louisville is on standard time, UTC−5 (EST). On Sunday, March 14, 2027, clocks go forward 1 hour to UTC−4.
Louisville and your time
Louisville at a glance
| Country | United States |
|---|---|
| Region | Kentucky |
| Time zone | America/Kentucky/Louisville |
| Abbreviation now | EST |
| UTC offset now | UTC−5 |
| Daylight saving time | Starts Mar 14, 2027 |
| Next clock change | Sunday, March 14, 2027 |
| Coordinates | 38.25° N, 85.76° W |
Louisville time zone and clock changes
Louisville follows the America/Kentucky/Louisville time zone. Standard time began on Sunday, November 1, 2026. Once the clocks go forward at 2:00 AM, daylight saving time (UTC−4 (EDT)) lasts until Sunday, November 7, 2027.
Although the United States has 6 different offsets, Louisville keeps the same time as Washington D.C.
Clock changes in Louisville, 2026 and 2027
| Date | Change | New offset |
|---|---|---|
| Sunday, March 8, 2026 | Clocks go forward 1 hour: 2:00 AM becomes 3:00 AM | UTC−4 |
| Sunday, November 1, 2026 | Clocks go back 1 hour: 2:00 AM becomes 1:00 AM | UTC−5 |
| Sunday, March 14, 2027 | Clocks go forward 1 hour: 2:00 AM becomes 3:00 AM | UTC−4 |
| Sunday, November 7, 2027 | Clocks go back 1 hour: 2:00 AM becomes 1:00 AM | UTC−5 |
How far ahead or behind Louisville is
When it is 9:00 AM in Louisville, it is 2:00 PM in London, 1:00 AM (next day) in Sydney and 6:00 AM in Los Angeles.
| City | Time now | Difference now | In January | In July | Shared office hours |
|---|---|---|---|---|---|
| Washington D.C. | --:-- | Same time | Same time | Same time | 8 h |
| Los Angeles | --:-- | 3 h behind | 3 h behind | 3 h behind | 5 h |
| London (United Kingdom) | --:-- | 5 h ahead | 5 h ahead | 5 h ahead | 3 h |
| Paris (France) | --:-- | 6 h ahead | 6 h ahead | 6 h ahead | 2 h |
| Dubai (United Arab Emirates) | --:-- | 9 h ahead | 9 h ahead | 8 h ahead | None |
| Mumbai (India) | --:-- | 10 h 30 min ahead | 10 h 30 min ahead | 9 h 30 min ahead | None |
| Singapore | --:-- | 13 h ahead | 13 h ahead | 12 h ahead | None |
| Tokyo (Japan) | --:-- | 14 h ahead | 14 h ahead | 13 h ahead | None |
| Sydney (Australia) | --:-- | 16 h ahead | 16 h ahead | 14 h ahead | None |
| UTC | --:-- | 5 h ahead | 5 h ahead | 4 h ahead | 3 h |
The difference is not fixed for every city: where the January and July columns disagree, one side moves its clocks and the other does not, or both move on different dates.
Shared office hours is the part of a 9 AM to 5 PM local working day that both cities have in common. Weekends are not taken into account.
Daylight in Louisville
Today
| Sunrise | --:-- |
|---|---|
| Sunset | --:-- |
| Day length | -- |
| Solar noon | --:-- |
Day length in Louisville runs from 9 hours 30 minutes at the December solstice to 14 hours 50 minutes at the June solstice. The latest sunset, at 9:11 PM, comes on June 28.
Daylight through the year in Louisville
| Date | Sunrise | Sunset | Day length | |
|---|---|---|---|---|
| March equinox | March 20 | 7:46 AM | 7:55 PM | 12 h 9 min |
| June solstice | June 21 | 6:20 AM | 9:10 PM | 14 h 50 min |
| September equinox | September 22 | 7:31 AM | 7:40 PM | 12 h 9 min |
| December solstice | December 21 | 7:56 AM | 5:26 PM | 9 h 30 min |
Sunrise and sunset jump by 1 hour on the days the clocks change, even though the daylight itself changes only by a minute or two.
When the sun is highest in Louisville
The clock in Louisville runs ahead of the sun. Solar noon, the moment the sun is highest, comes at about 12:45 PM on standard time and 1:45 PM during daylight saving time. That is why sunrise and sunset both come late here.
Places close to Louisville
Distance is not the same as time: Evansville lies just 160 km (100 mi) away, yet its clock is 1 hour behind Louisville.
| City | Distance | Time now | Difference |
|---|---|---|---|
| Lexington | 116 km (72 mi) | --:-- | Same time |
| Cincinnati | 145 km (90 mi) | --:-- | Same time |
| Evansville | 160 km (100 mi) | --:-- | 1 h behind |
| Indianapolis | 172 km (107 mi) | --:-- | Same time |
| Dayton | 215 km (134 mi) | --:-- | Same time |
| Clarksville | 238 km (148 mi) | --:-- | 1 h behind |
| Nashville | 249 km (155 mi) | --:-- | 1 h behind |
| Meads | 267 km (166 mi) | --:-- | Same time |
Same time now, different rules
These places read the same time as Louisville today but follow different rules, so they can drift apart when clocks change.
More cities in United States
- New York
- Los Angeles
- Chicago
- Houston
- Phoenix
- Philadelphia
- San Antonio
- San Diego
- The Bronx
- Dallas
- Jacksonville
- Fort Worth
All time zones and cities in the United States
Plan around the time in Louisville
- Convert a time to or from Louisville: pick a date and time and see it in every city on your list.
- Add Louisville to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Louisville and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What time zone is Louisville in?
Louisville uses the America/Kentucky/Louisville time zone: UTC−5 (EST) in standard time and UTC−4 (EDT) during daylight saving time.
When do the clocks change in Louisville?
The next change is on Sunday, March 14, 2027 at 2:00 AM, when clocks go forward 1 hour to UTC−4. They go back again on Sunday, November 7, 2027.
What is the time difference between Louisville and London?
Louisville is 5 hours behind London for most of the year. From March 14 to March 27 and October 30 to November 7, the gap is 4 hours, because Louisville and London change their clocks on different dates.
Is Louisville on the same time as Washington D.C.?
Yes. Louisville and Washington D.C. both use UTC−5 right now.
How long is the longest day in Louisville?
About 14 hours 50 minutes, around the June solstice. The shortest day, around the December solstice, has about 9 hours 30 minutes of daylight.
Why is the sun not highest at noon in Louisville?
Clock time follows the time zone, not the sun. Louisville lies west of the line its offset is based on, so solar noon comes at about 12:45 PM on standard time.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.