How many hours ahead is Tokyo compared to Lisbon?

Tokyo is either 8 or 9 hours ahead of Lisbon. The gap is 9 hours in winter when Lisbon is on WET (UTC+0) and Tokyo is on JST (UTC+9). The gap shrinks to 8 hours in summer when Lisbon observes WEST (UTC+1). Tokyo does not use daylight saving time, so the change comes entirely from Lisbon's schedule.

Does Tokyo observe daylight saving time?

No. Japan abolished daylight saving time in 1952 and has not used it since. Tokyo stays on JST (UTC+9) year-round, so the Tokyo clock never shifts.

What time zones are Tokyo and Lisbon in?

Tokyo is on Japan Standard Time (JST, UTC+9) all year. Lisbon observes Western European Time (WET, UTC+0) in winter and Western European Summer Time (WEST, UTC+1) from late March to late October.

When does Lisbon switch to summer time?

Lisbon follows the EU rule: clocks go forward on the last Sunday of March and back on the last Sunday of October. During WEST the Tokyo-Lisbon gap is 8 hours; during WET it is 9 hours.

Does the clock use my local computer time?

Yes. The tool reads your device's system clock and converts it to both timezones using the browser's built-in Intl API. If your device clock is accurate, both displayed times will be accurate.

Time Difference: Tokyo to Lisbon

Name: Time Difference: Tokyo to Lisbon
Availability: InStock
Author: Nham Vu

See live clocks for Tokyo and Lisbon side by side with the exact hour gap, updated every second.

Tokyo

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JST

Lisbon

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WET / WEST

Current Offset

Overlapping Business Hours

Tokyo window

Lisbon window

Standard overlap assumes Tokyo 9 AM–6 PM and Lisbon 9 AM–6 PM working days.

Summary

See live clocks for Tokyo and Lisbon side by side with the exact hour gap, updated every second.

How it works

Your browser reads the current UTC timestamp every second.
It converts that timestamp into Asia/Tokyo local time (JST, always UTC+9).
It converts the same timestamp into Europe/Lisbon local time (WET or WEST depending on the season).
Both clocks and the computed hour offset are rendered live on screen.
The offset adjusts automatically when Lisbon switches to or from Western European Summer Time.

Use cases

Schedule a video call between Tokyo and Lisbon colleagues.
Check whether Tokyo business hours overlap with Lisbon working hours.
Verify the current UTC offset for JST and WET or WEST.
Confirm whether Tokyo is 8 or 9 hours ahead of Lisbon today.
Help remote teams plan across the Europe-Asia time gap.
Double-check a flight arrival time or deadline in the other city.

Frequently Asked Questions

Last updated: 2026-07-26 · Reviewed by Nham Vu