Tokyo zone
GMT+9 (GMT+9)
London zone
GMT+1 (GMT+1)
Difference
8 hours behind Tokyo
Business overlap
No 9-5 overlap
Working hours overlap
Each cell is one hour in Tokyo. Filled cells mark when 9 AM – 5 PM in Tokyo and London both apply.
0 hours per day
- Tokyo
- GMT+9
- London
- GMT+1
- Difference
- -8h
- Business overlap
- 0h
Hour-by-hour conversion
Each row shows the matching local time in London for an hour in Tokyo.
| Tokyo | London | Day | Window |
|---|---|---|---|
| 12:00 AM | 4:00 PM | previous day | — |
| 1:00 AM | 5:00 PM | previous day | — |
| 2:00 AM | 6:00 PM | previous day | — |
| 3:00 AM | 7:00 PM | previous day | — |
| 4:00 AM | 8:00 PM | previous day | — |
| 5:00 AM | 9:00 PM | previous day | — |
| 6:00 AM | 10:00 PM | previous day | — |
| 7:00 AM | 11:00 PM | previous day | — |
| 8:00 AM | 12:00 AM | same day | — |
| 9:00 AM | 1:00 AM | same day | — |
| 10:00 AM | 2:00 AM | same day | — |
| 11:00 AM | 3:00 AM | same day | — |
| 12:00 PM | 4:00 AM | same day | — |
| 1:00 PM | 5:00 AM | same day | — |
| 2:00 PM | 6:00 AM | same day | — |
| 3:00 PM | 7:00 AM | same day | — |
| 4:00 PM | 8:00 AM | same day | — |
| 5:00 PM | 9:00 AM | same day | — |
| 6:00 PM | 10:00 AM | same day | — |
| 7:00 PM | 11:00 AM | same day | — |
| 8:00 PM | 12:00 PM | same day | — |
| 9:00 PM | 1:00 PM | same day | — |
| 10:00 PM | 2:00 PM | same day | — |
| 11:00 PM | 3:00 PM | same day | — |
Best meeting windows
Standard 9 AM – 5 PM hours in Tokyo and London do not overlap. Plan calls for early Tokyo morning or late Tokyo 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 Tokyo time to London time
Tokyo follows the Asia/Tokyo time zone (currently GMT+9, GMT+9), while London follows Europe/London (currently GMT+1, GMT+1). London is 8 hours behind Tokyo 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
Tokyo
Does not observe daylight saving time.
London
- Spring forward · Sunday, March 29, 2026
- Fall back · Sunday, October 25, 2026
Reverse this conversion
London to Tokyo
Open the converter
Plan a meeting between Tokyo and London
More conversions from Tokyo
Frequently asked questions
- How many hours is Tokyo from London?
- London is 8 hours behind Tokyo right now.
- What time is 9:00 AM Tokyo in London?
- 9:00 AM in Tokyo is 1:00 AM in London.
- What time is 5:00 PM Tokyo in London?
- 5:00 PM in Tokyo is 9:00 AM in London.
- When do Tokyo and London business hours overlap?
- Standard 9 AM - 5 PM working hours in Tokyo and London do not overlap. You will need an early or late call.
- Does daylight saving time change the difference between Tokyo and London?
- 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 Tokyo
Local time page
Time in London