Live Synchronized Time Difference
LondontoTokyoTime Difference
🇬🇧
London
United Kingdom (GMT)15:10:17UTC+0:00
🇯🇵
Tokyo
Japan (GMT+9)00:10:17UTC+9:00
Direct Distance9,559 km (5,940 miles)
Estimated Flight Time~11.7 hours
Business Overlap0 overlapping hours (9am–5pm)
Feasible Shoulder Hours Window
Recommended calling window between London and Tokyo
Off-Peak Calling Window
London Time
7:00 AM – 12:00 PM
Tokyo Time
4:00 PM – 9:00 PM
There are no overlapping 9-to-5 working hours between London and Tokyo. The optimal compromise window falls during morning/evening shoulder periods (7:00 AM – 9:00 PM) when participants in both locations are awake.
24-Hour Schedule Conversion Matrix
Compare every hour of the day between London and Tokyo.
Work (9am-5pm)ShoulderSleep / Off
| London Time (United Kingdom) | Tokyo Time (Japan) | Status & Recommendation |
|---|---|---|
| 00:00AM | 09:00AM | ⚪ Outside Work Hours |
| 01:00AM | 10:00AM | ⚪ Outside Work Hours |
| 02:00AM | 11:00AM | ⚪ Outside Work Hours |
| 03:00AM | 12:00PM | ⚪ Outside Work Hours |
| 04:00AM | 13:00PM | ⚪ Outside Work Hours |
| 05:00AM | 14:00PM | ⚪ Outside Work Hours |
| 06:00AM | 15:00PM | ⚪ Outside Work Hours |
| 07:00AM | 16:00PM | ⚪ Outside Work Hours |
| 08:00AM | 17:00PM | ⚪ Outside Work Hours |
| 09:00AM | 18:00PM | 🟡 Feasible (Shoulder Hour) |
| 10:00AM | 19:00PM | 🟡 Feasible (Shoulder Hour) |
| 11:00AM | 20:00PM | 🟡 Feasible (Shoulder Hour) |
| 12:00PM | 21:00PM | ⚪ Outside Work Hours |
| 13:00PM | 22:00PM | ⚪ Outside Work Hours |
| 14:00PM | 23:00PM | ⚪ Outside Work Hours |
| 15:00PM | 00:00AM | ⚪ Outside Work Hours |
| 16:00PM | 01:00AM | ⚪ Outside Work Hours |
| 17:00PM | 02:00AM | ⚪ Outside Work Hours |
| 18:00PM | 03:00AM | ⚪ Outside Work Hours |
| 19:00PM | 04:00AM | ⚪ Outside Work Hours |
| 20:00PM | 05:00AM | ⚪ Outside Work Hours |
| 21:00PM | 06:00AM | ⚪ Outside Work Hours |
| 22:00PM | 07:00AM | ⚪ Outside Work Hours |
| 23:00PM | 08:00AM | ⚪ Outside Work Hours |
Frequently Asked Questions
What is the time difference between London and Tokyo?
Tokyo is 9 hours ahead of London.
What is the best time to schedule a cross-border meeting between London and Tokyo?
Because of the wide timezone separation, a compromise meeting window during early morning in one location and evening in the other is recommended.
Does daylight saving time (DST) affect the time difference between London and Tokyo?
Yes. If either United Kingdom or Japan observes seasonal Daylight Saving Time transitions, the offset difference shifts by one hour on scheduled transition dates.