ReckonDay

Time Zone Converter

London to Tokyo Time Converter

Tokyo runs 8 hours ahead of London as of now. London observes daylight saving time; Tokyo does not.

London (UK)

UTC+01:00

Observes daylight saving time

Tokyo (Japan Standard Time)

UTC+09:00

Does not observe daylight saving time

Since Tokyo's offset never moves, the 8-to-9-hour distance to London is entirely a function of whether Britain currently has its clocks set forward for summer.

UK-Japan finance and manufacturing teams needing a genuine live overlap, rather than an overnight handoff, generally anchor around a London morning call near 8-9am, which reaches Tokyo in the mid-to-late afternoon.

Worth flagging specifically around the UK's own spring and autumn transition weekends: because only London's side of this pair changes, the felt gap can shift by an hour right when a recurring meeting is due.

London-Tokyo DST rules in full: Time Zone Converter (London side).

London → Tokyo, hour by hour

LondonTokyo
12:00 AM8:00 AM
1:00 AM9:00 AM
2:00 AM10:00 AM
3:00 AM11:00 AM
4:00 AM12:00 PM
5:00 AM1:00 PM
6:00 AM2:00 PM
7:00 AM3:00 PM
8:00 AM4:00 PM
9:00 AM5:00 PM
10:00 AM6:00 PM
11:00 AM7:00 PM
12:00 PM8:00 PM
1:00 PM9:00 PM
2:00 PM10:00 PM
3:00 PM11:00 PM
4:00 PM12:00 AM(next day)
5:00 PM1:00 AM(next day)
6:00 PM2:00 AM(next day)
7:00 PM3:00 AM(next day)
8:00 PM4:00 AM(next day)
9:00 PM5:00 AM(next day)
10:00 PM6:00 AM(next day)
11:00 PM7:00 AM(next day)

London-Tokyo meeting window

No single calendar day gives London and Tokyo both a standard 9-5 window at once. Tokyo’s nearest approach to London’s workday is 1:00 AM in London, which lands at 9:00 AM in Tokyo. See every London hour against Tokyo in the table above.

London-Tokyo FAQ

How big is the gap between London and Tokyo?

8 hours during UK British Summer Time, or 9 hours during UK winter time, since Tokyo's own offset never changes.

Is there a comfortable overlap?

Yes — London morning lands in Tokyo's afternoon, a workable shared window for both business days.

London and Tokyo in the full pairs index. For London, Tokyo, plus more, try the Meeting Planner (Tokyo-friendly).