London zone
GMT+1 (GMT+1)
Tokyo zone
GMT+9 (GMT+9)
Difference
8 hours ahead of London
Business overlap
No 9-5 overlap
Working hours overlap
Each cell is one hour in London. Filled cells mark when 9 AM – 5 PM in London and Tokyo both apply.
0 hours per day
- London
- GMT+1
- Tokyo
- GMT+9
- Difference
- +8h
- Business overlap
- 0h
Hour-by-hour conversion
Each row shows the matching local time in Tokyo for an hour in London.
| London | Tokyo | Day | Window |
|---|---|---|---|
| 12:00 AM | 8:00 AM | same day | — |
| 1:00 AM | 9:00 AM | same day | — |
| 2:00 AM | 10:00 AM | same day | — |
| 3:00 AM | 11:00 AM | same day | — |
| 4:00 AM | 12:00 PM | same day | — |
| 5:00 AM | 1:00 PM | same day | — |
| 6:00 AM | 2:00 PM | same day | — |
| 7:00 AM | 3:00 PM | same day | — |
| 8:00 AM | 4:00 PM | same day | — |
| 9:00 AM | 5:00 PM | same day | — |
| 10:00 AM | 6:00 PM | same day | — |
| 11:00 AM | 7:00 PM | same day | — |
| 12:00 PM | 8:00 PM | same day | — |
| 1:00 PM | 9:00 PM | same day | — |
| 2:00 PM | 10:00 PM | same day | — |
| 3:00 PM | 11:00 PM | same day | — |
| 4:00 PM | 12:00 AM | next day | — |
| 5:00 PM | 1:00 AM | next day | — |
| 6:00 PM | 2:00 AM | next day | — |
| 7:00 PM | 3:00 AM | next day | — |
| 8:00 PM | 4:00 AM | next day | — |
| 9:00 PM | 5:00 AM | next day | — |
| 10:00 PM | 6:00 AM | next day | — |
| 11:00 PM | 7:00 AM | next day | — |
Best meeting windows
Standard 9 AM – 5 PM hours in London and Tokyo do not overlap. Plan calls for early London morning or late London evening, and rotate the burden between sides.
Tighter overlap is achievable by having the side with later working hours start earlier, or by treating the first and last hours of each side as flexible. The bar above marks every hour where both cities sit inside a 9 AM – 5 PM window.
About converting London time to Tokyo time
London follows the Europe/London time zone (currently GMT+1, GMT+1), while Tokyo follows Asia/Tokyo (currently GMT+9, GMT+9). Tokyo is 8 hours ahead of London right now.
London observes daylight saving time, while Tokyo does not. The offset between the two cities changes by one hour at the daylight saving transitions.
Daylight saving transitions in 2026
London
- Spring forward · Sunday, March 29, 2026
- Fall back · Sunday, October 25, 2026
Tokyo
Does not observe daylight saving time.
Reverse this conversion
Tokyo to London
Open the converter
Plan a meeting between London and Tokyo
More conversions from London
Frequently asked questions
- How many hours is London from Tokyo?
- Tokyo is 8 hours ahead of London right now.
- What time is 9:00 AM London in Tokyo?
- 9:00 AM in London is 5:00 PM in Tokyo.
- What time is 5:00 PM London in Tokyo?
- 5:00 PM in London is 1:00 AM (next day) in Tokyo.
- When do London and Tokyo business hours overlap?
- Standard 9 AM - 5 PM working hours in London and Tokyo do not overlap. You will need an early or late call.
- Does daylight saving time change the difference between London and Tokyo?
- London observes daylight saving time while Tokyo does not, so the offset between them changes by one hour twice a year.
Local time page
Time in London
Local time page
Time in Tokyo