TOKYO (Tokyo) (tokyo) is used in Japan. The IANA timezone identifier is Asia/Tokyo.

Coordinated Universal Time (utc) is used in United Kingdom. The IANA timezone identifier is UTC.

TOKYO to UTC Time Converter

TOKYO (Tokyo) → Coordinated Universal Time

TOKYO = UTC+9UTC = UTC+0

ClockinSync

BASE

09:00

Work Clients Team +

00:0006:0012:0018:0024:00

UTC (London)

United Kingdom · -8h

01:00

New York

USA · -13h

20:00-1 day

Dubai

United Arab Emirates · -5h

04:00

Sydney

Australia · +1h

10:00

Paris

France · -7h

02:00

Tokyo to UTC (London) — exact time difference

Tokyo is 9 hours ahead of UTC (London). When Tokyo clocks hit noon, UTC (London) reads 03:00.

Tokyo is in the Asia/Tokyo timezone. UTC (London) is in Europe/London. The difference is 9 hours.

Working hours overlap

Tokyo and UTC (London) have no shared working hours under a standard 9:00–17:00 schedule. One side will always need to join at an off-hour.

When to schedule across time zones

Since Tokyo and UTC (London) don't share working hours, these are the most practical options available.

16:00 Tokyo / 07:00 London⚡ One side off-hours

⚠️ 2h before working hours in London

18:00 Tokyo / 09:00 London⚡ One side off-hours

⚠️ 2h after working hours in Tokyo

15:00 Tokyo / 06:00 London⚡ One side off-hours

⚠️ 3h before working hours in London

Based on standard 09:00–17:00 working hours in each location's local time.

Holiday calendar for both locations

Tokyo7 holidays

Jul 20Marine Day

Aug 11Mountain Day

Sep 21Respect for the Aged Day

Sep 23Autumnal Equinox Day

Oct 12Sports Day

UTC (London)

No upcoming public holidays this year.

Working across Tokyo and UTC (London)

Working across Tokyo (Japan) and UTC (London) (United Kingdom) is a challenge — the 9-hour difference means no shared business hours window under a standard schedule. Flexibility from at least one side is required.

💡 Best practice for cross-timezone meetings

⚡

When Tokyo is at 16:00, UTC (London) reads 07:00 — 2h before working hours in London.

⚡

When Tokyo is at 18:00, UTC (London) reads 09:00 — 2h after working hours in Tokyo.

⚡

When Tokyo is at 15:00, UTC (London) reads 06:00 — 3h before working hours in London.

Since there is no natural overlap, the options above represent the most balanced compromise, minimizing out-of-hours inconvenience for both sides.

DST transitions can silently shift your meeting times by an hour. The ClockinSync Chrome Extension tracks these changes automatically so you never get caught off guard.

Get the Extension — Free →

Use the time slider above to find the exact equivalent time for any moment in Tokyo. The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.

TOKYO (Tokyo) ↔ UTC (London)

No overlap — one side will join outside working hours

TOKYO (Tokyo)

UTC (London)