Time Difference Between London and Louisville

The time difference between London and Louisville is 4 hours. When it is 12:00 noon in London, it is 08:00 in Louisville. London uses the Europe/London time zone (UTC+0), while Louisville uses America/Kentucky/Louisville (UTC-4).

Louisville is 4 hours behind London — 4 hours
London, United Kingdom
20:59:03
Thursday, March 26, 2026
UTC+0 · GMT
↔
Louisville, United States
16:59:03
Thursday, March 26, 2026
UTC-4 · EDT (DST)

Time Zone Details: London vs Louisville

Detail London Louisville
Time Zone IDEurope/LondonAmerica/Kentucky/Louisville
UTC OffsetUTC+0UTC-4
AbbreviationGMTEDT
DST ActiveNoYes — currently observing
CountryUnited KingdomUnited States
RegionEuropeNorth America

Best Time to Schedule a Call

There are 4 overlapping business hours between London and Louisville (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:

13:00–17:00 in London  =  09:00–13:00 in Louisville

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from London time to Louisville time. Rows highlighted in green indicate overlapping business hours in both cities.

London Louisville
00:00 20:00 (-1 day) Night
01:00 21:00 (-1 day) Night
02:00 22:00 (-1 day) Night
03:00 23:00 (-1 day) Night
04:00 00:00 Night
05:00 01:00 Night
06:00 02:00
07:00 03:00
08:00 04:00
09:00 05:00
10:00 06:00
11:00 07:00
12:00 08:00
13:00 09:00 Overlap
14:00 10:00 Overlap
15:00 11:00 Overlap
16:00 12:00 Overlap
17:00 13:00
18:00 14:00
19:00 15:00
20:00 16:00
21:00 17:00
22:00 18:00 Night
23:00 19:00 Night

Daylight Saving Time (DST) Impact

Louisville is currently observing daylight saving time, while London is on standard time. When Louisville switches back to standard time, the difference between these two cities will shift by 1 hour.

Practical Tips for London–Louisville Scheduling

Compare London and Louisville with Other Cities

From London

London vs New York London vs Tokyo London vs Sydney London vs Dubai London vs Los Angeles London vs Paris London vs Singapore London vs Berlin London vs Toronto London vs Hong Kong London vs Mumbai London vs Seoul London vs Chicago London vs San Francisco London vs Moscow London vs Bangkok London vs Shanghai London vs Sao Paulo London vs Mexico City London vs Cairo London vs Johannesburg

From Louisville

Louisville vs New York Louisville vs Tokyo Louisville vs Sydney Louisville vs Dubai Louisville vs Los Angeles Louisville vs Paris Louisville vs Singapore Louisville vs Berlin Louisville vs Toronto Louisville vs Hong Kong Louisville vs Mumbai Louisville vs Seoul Louisville vs Chicago Louisville vs San Francisco Louisville vs Moscow Louisville vs Bangkok Louisville vs Shanghai Louisville vs Sao Paulo Louisville vs Mexico City Louisville vs Cairo Louisville vs Johannesburg

Frequently Asked Questions

What is the time difference between London and Louisville?

The time difference is 4 hours. Louisville is 4 hours behind London.

Does the time difference change during the year?

Yes. One of these cities observes DST while the other does not, so the difference shifts by 1 hour when DST begins or ends.

When is the best time to call from London to Louisville?

The best window is between 13:00 and 17:00 London time, which corresponds to 09:00–13:00 in Louisville. Both sides fall within normal business hours.

How do I convert London time to Louisville time?

Subtract 4 hours from London time to get Louisville time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.