The time difference between London and Yokohama is 9 hours. When it is 12:00 noon in London, it is 21:00 in Yokohama. London uses the Europe/London time zone (UTC+0), while Yokohama uses Asia/Tokyo (UTC+9).
With a 9 hours gap, there is no standard business-hours overlap between London and Yokohama. One party will need to adjust their schedule. Early mornings in Yokohama or late evenings in London tend to be the most practical compromise.
Use this table to quickly convert any hour from London time to Yokohama time. Rows highlighted in green indicate overlapping business hours in both cities.
| London | Yokohama | |
|---|---|---|
| 00:00 | 09:00 | Night |
| 01:00 | 10:00 | Night |
| 02:00 | 11:00 | Night |
| 03:00 | 12:00 | Night |
| 04:00 | 13:00 | Night |
| 05:00 | 14:00 | Night |
| 06:00 | 15:00 | |
| 07:00 | 16:00 | |
| 08:00 | 17:00 | |
| 09:00 | 18:00 | |
| 10:00 | 19:00 | |
| 11:00 | 20:00 | |
| 12:00 | 21:00 | |
| 13:00 | 22:00 | |
| 14:00 | 23:00 | |
| 15:00 | 00:00 (+1 day) | |
| 16:00 | 01:00 (+1 day) | |
| 17:00 | 02:00 (+1 day) | |
| 18:00 | 03:00 (+1 day) | |
| 19:00 | 04:00 (+1 day) | |
| 20:00 | 05:00 (+1 day) | |
| 21:00 | 06:00 (+1 day) | |
| 22:00 | 07:00 (+1 day) | Night |
| 23:00 | 08:00 (+1 day) | Night |
Neither London nor Yokohama 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 9 hours. Yokohama is 9 hours ahead of London.
It can. If either London or Yokohama 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 9 hours to London time to get Yokohama 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.