The time difference between Louisville and Tokyo is 14 hours. When it is 12:00 noon in Louisville, it is 02:00 in Tokyo. Louisville uses the America/Kentucky/Louisville time zone (UTC-5), while Tokyo uses Asia/Tokyo (UTC+9).
| Detail | Louisville | Tokyo |
|---|---|---|
| Time Zone ID | America/Kentucky/Louisville | Asia/Tokyo |
| UTC Offset | UTC-5 | UTC+9 |
| Abbreviation | EST | JST |
| DST Active | No | No |
| Country | United States | Japan |
| Region | North America | Asia |
With a 14 hours gap, there is no standard business-hours overlap between Louisville and Tokyo. One party will need to adjust their schedule. Early mornings in Tokyo or late evenings in Louisville tend to be the most practical compromise.
Use this table to quickly convert any hour from Louisville time to Tokyo time. Rows highlighted in green indicate overlapping business hours in both cities.
| Louisville | Tokyo | |
|---|---|---|
| 00:00 | 14:00 | Night |
| 01:00 | 15:00 | Night |
| 02:00 | 16:00 | Night |
| 03:00 | 17:00 | Night |
| 04:00 | 18:00 | Night |
| 05:00 | 19:00 | Night |
| 06:00 | 20:00 | |
| 07:00 | 21:00 | |
| 08:00 | 22:00 | |
| 09:00 | 23:00 | |
| 10:00 | 00:00 (+1 day) | |
| 11:00 | 01:00 (+1 day) | |
| 12:00 | 02:00 (+1 day) | |
| 13:00 | 03:00 (+1 day) | |
| 14:00 | 04:00 (+1 day) | |
| 15:00 | 05:00 (+1 day) | |
| 16:00 | 06:00 (+1 day) | |
| 17:00 | 07:00 (+1 day) | |
| 18:00 | 08:00 (+1 day) | |
| 19:00 | 09:00 (+1 day) | |
| 20:00 | 10:00 (+1 day) | |
| 21:00 | 11:00 (+1 day) | |
| 22:00 | 12:00 (+1 day) | Night |
| 23:00 | 13:00 (+1 day) | Night |
Neither Louisville nor Tokyo is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.
The time difference is 14 hours. Tokyo is 14 hours ahead of Louisville.
It can. If either Louisville or Tokyo observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).
There is no ideal window during standard business hours. Consider scheduling at the edges — early morning for the city that is ahead and late afternoon for the city that is behind.
Add 14 hours to Louisville time to get Tokyo time. Use the hour-by-hour table above for a quick reference.
For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.