London to Tokyo Time
Tokyo is currently 8 hours ahead of London.
- 9:00 AM GMT+1 → 5:00 PM GMT+9
- 12:00 PM GMT+1 → 8:00 PM GMT+9
- 5:00 PM GMT+1 → 1:00 AM+1d GMT+9
Need the opposite direction? Tokyo to London Time →
Current Time
London
+01:00Wed, Jul 15 · GMT+1
Tokyo
+09:00Wed, Jul 15 · GMT+9
Daylight Saving Time Status
London
London is currently observing GMT+1 (summer time). Returns to standard time on October 25, 2026.
Tokyo
Tokyo does not observe Daylight Saving Time.
Best Meeting Times
| London Time | Tokyo Time | Meeting Suitability |
|---|---|---|
| 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 | ⚠️ Edge |
| 09:00 | 17:00 | ✅ Good |
| 10:00 | 18:00 | ⚠️ Edge |
| 11:00 | 19:00 | — |
| 12:00 | 20:00 | — |
| 13:00 | 21:00 | — |
| 14:00 | 22:00 | — |
| 15:00 | 23:00 | — |
| 16:00 | 00:00+1d | — |
| 17:00 | 01:00+1d | — |
| 18:00 | 02:00+1d | — |
| 19:00 | 03:00+1d | — |
| 20:00 | 04:00+1d | — |
| 21:00 | 05:00+1d | — |
| 22:00 | 06:00+1d | — |
| 23:00 | 07:00+1d | — |
✅ Both cities within 9 AM–6 PM ⚠️ One city on edge of working hours
About This Time Zone Pair
London and Tokyo are separated by a moderate-to-large offset. The usable window for calls or meetings, if any, tends to fall at the edges of one side's working day. Keep in mind that seasonal clock changes on the European side can shift the window by one hour.
London (GMT+1) is 8 hours behind Tokyo (GMT+9). When it's 9:00 AM in London, it's 5:00 PM in Tokyo.
London observes Daylight Saving Time, which means the offset between the two cities may shift by one hour during DST transitions.
The best window for calls, chats, or meetings between London and Tokyo is 9am–10am GMT+1 — that's 5pm–6pm GMT+9 for Tokyo. Outside this window, async communication or recorded video is more practical.
For one-off conversions, use the converter above. For recurring calls or meetings, export an .ics calendar invite — attendees see the time in their local zone automatically.
This guide covers London (GMT) to Tokyo (JST) specifically. To convert a different pair, browse all conversions or add cities directly in the converter above.
Frequently Asked Questions
- What is the time difference between London and Tokyo?
- Tokyo is 8 hours ahead of London. This offset may shift by one hour when either city transitions in or out of Daylight Saving Time.
- What is a good meeting time between London and Tokyo?
- The best window is 9am–10am London time, which is 5pm–6pm in Tokyo. Both cities are within standard working hours during this range.
- When does London switch to and from Daylight Saving Time?
- London observes Daylight Saving Time. Check the DST status section above for the exact next transition date — it is calculated live from the IANA timezone database.
- How do I convert GMT to JST manually?
- Add 8 hours to the GMT time. For example, 9:00 AM GMT = 5:00 PM JST. (DST may shift this by ±1 hour twice a year.)
- Is London ahead of or behind Tokyo?
- London is 8 hours behind Tokyo. When it is noon in London, it is 8:00 PM in Tokyo.
- What are common GMT to JST conversions?
- Some quick examples: 9:00 AM GMT+1 = 5:00 PM GMT+9 · 12:00 PM GMT+1 = 8:00 PM GMT+9 · 5:00 PM GMT+1 = 1:00 AM GMT+9. Use the table above for all 24 hours.
Related Guides
Fact card
- Route:
- London → Tokyo
- Current offset:
- Tokyo is 8 hours ahead of London
- Timezone data:
- IANA tz database (tzdata)
- DST handling:
- Automatic — offset reflects the actual UTC offset at each moment
- Last calculated:
- Generated at build time, revalidates every 60 seconds
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