London, United Kingdom
Sat, Jul 4, 2026 15:37
- Timezone
- Europe/London
- UTC offset
- UTC+01:00
- Daylight saving
- Yes
Compare London vs Tokyo time, current local times, UTC offset difference, daylight saving status, and the best time to plan meetings or travel.
Quick Answer
The live comparison below shows both local times, current UTC offsets, daylight saving status, and whether Tokyo is ahead of or behind London.
Current time difference
Sat, Jul 4, 2026 15:37
Sat, Jul 4, 2026 23:37
Time difference
Tokyo is 8 hours ahead of London
UTC offset difference
+08:00
Suggested call window
Sat, Jul 4, 08:00-10:00 / Sat, Jul 4, 16:00-18:00
Calculated using initiator awake hours of 08:00-23:00 and recipient office hours of 09:00-18:00.
Dynamic Time Difference
The difference changes during 2026 because London changes UTC offset during the year and Tokyo keeps a fixed UTC offset. Jan 1-Mar 28: London is 9 hours behind Tokyo; Mar 29-Oct 24: London is 8 hours behind Tokyo; Oct 25-Dec 31: London is 9 hours behind Tokyo.
UTC+01:00 · Seasonal clock changes; DST is active now
UTC+09:00 · No seasonal offset change detected
Business Call Window
Both 09:00-18:00 workdays overlap. A practical window is 09:00-10:00 in London, which is 17:00-18:00 in Tokyo.
London: 09:00-10:00
Tokyo: 17:00-18:00
24-Hour Conversion Table
The table uses today's active UTC offsets. Seasonal rows can shift when daylight saving time changes.
| London | Tokyo |
|---|---|
| 00:00 | 08:00 |
| 01:00 | 09:00 |
| 02:00 | 10:00 |
| 03:00 | 11:00 |
| 04:00 | 12:00 |
| 05:00 | 13:00 |
| 06:00 | 14:00 |
| 07:00 | 15:00 |
| 08:00 | 16:00 |
| 09:00 | 17:00 |
| 10:00 | 18:00 |
| 11:00 | 19:00 |
| 12:00 | 20:00 |
| 13:00 | 21:00 |
| 14:00 | 22:00 |
| 15:00 | 23:00 |
| 16:00 | 00:00 (next day) |
| 17:00 | 01:00 (next day) |
| 18:00 | 02:00 (next day) |
| 19:00 | 03:00 (next day) |
| 20:00 | 04:00 (next day) |
| 21:00 | 05:00 (next day) |
| 22:00 | 06:00 (next day) |
| 23:00 | 07:00 (next day) |
London is 8 hours behind Tokyo. This uses the active IANA timezone offsets for today.
The difference changes during 2026 because London changes UTC offset during the year and Tokyo keeps a fixed UTC offset. Jan 1-Mar 28: London is 9 hours behind Tokyo; Mar 29-Oct 24: London is 8 hours behind Tokyo; Oct 25-Dec 31: London is 9 hours behind Tokyo.
London is currently UTC+01:00; Tokyo is currently UTC+09:00.
Travelers from London to Tokyo move their clock forward by 8 hours.
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