How many hours is Tokyo ahead of Warsaw?

Tokyo (JST, UTC+9) is 8 hours ahead of Warsaw during Central European Time (CET, UTC+1) in winter, and 7 hours ahead during Central European Summer Time (CEST, UTC+2) in summer. Poland observes DST; Japan does not.

Does Japan observe Daylight Saving Time?

No. Japan abolished Daylight Saving Time in 1952. JST is always UTC+9 year-round with no seasonal clock changes.

When does Warsaw switch between CET and CEST?

Poland moves clocks forward one hour on the last Sunday of March (to CEST, UTC+2) and back one hour on the last Sunday of October (to CET, UTC+1).

What are the business hours overlap between Tokyo and Warsaw?

Tokyo business hours are roughly 09:00–18:00 JST. In winter that corresponds to 01:00–10:00 CET in Warsaw — almost no overlap during normal hours. In summer it is 02:00–11:00 CEST. Effective overlap requires one side to work early morning or late evening.

What time is it in Warsaw when Tokyo is at noon?

When it is 12:00 noon in Tokyo, it is 04:00 CET in Warsaw in winter (UTC+1) or 05:00 CEST in Warsaw in summer (UTC+2).

Is this clock accurate for scheduling?

Yes. The tool uses the IANA timezone database built into your browser, the same source used by operating systems and calendar apps. Accuracy depends on your device clock being synchronized via NTP, which most devices do automatically.

Time Difference: Tokyo to Warsaw

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

See the current time in Tokyo (JST, UTC+9) and Warsaw (CET/CEST) side by side with the live hour offset between the two cities.

Tokyo, Japan

--:--:--

JST UTC+9

Warsaw, Poland

--:--:--

CET UTC+1

Current Offset

+8 hours

Tokyo is 8 hours ahead of Warsaw

Meeting Overlap Finder

Business hours (09:00–18:00) highlighted — best overlap shaded

Tokyo (JST)	Warsaw	Status

Convert Tokyo Time to Warsaw Time

Based on the current offset — updates automatically

Tokyo (JST)	Warsaw

Summary

See the current time in Tokyo (JST, UTC+9) and Warsaw (CET/CEST) side by side with the live hour offset between the two cities.

How it works

Your device clock is read via the JavaScript Date API.
Tokyo time is computed using the IANA timezone identifier Asia/Tokyo (always UTC+9).
Warsaw time is computed using Europe/Warsaw, which switches between CET (UTC+1) in winter and CEST (UTC+2) in summer.
The UTC offsets of both cities are compared to calculate the exact hour difference.
The display updates every second so both clocks stay live and accurate.
The working-hours overlap table highlights the best window to schedule calls between Tokyo and Warsaw.

Use cases

Scheduling video calls between colleagues in Tokyo and Warsaw.
Checking whether both cities are in business hours at the same time.
Planning Japan-Poland travel connections and layovers.
Remote teams coordinating daily standups across JST and CET/CEST time zones.
Tracking live events or broadcasts originating from either city.
Investors monitoring both the Tokyo Stock Exchange and Warsaw Stock Exchange trading windows.
Students or journalists following live news from Tokyo or Warsaw.
Understanding how Polish DST shifts change the Tokyo-Warsaw gap each spring and autumn.

Frequently Asked Questions

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