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.)

London to Tokyo Time

Tokyo is currently 8 hours ahead of London.

Current Time

London

+01:00

Sun, May 31 · GMT+1

Tokyo

+09:00

Mon, Jun 1 · 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

Only one hour of overlap exists for this pair (9am–10am London = 5pm–6pm Tokyo). This requires one side to schedule calls at the edge of their working day. For recurring meetings, consider rotating which side takes the inconvenient slot.

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 meeting window, 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 live 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 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.)