Does Istanbul observe daylight saving time?

No. Istanbul stays on TRT (UTC+3) all year, so its clocks don't change.

Does Tokyo observe daylight saving time?

No. Tokyo stays on JST (UTC+9) all year, so its clocks don't change.

What time is it in Tokyo when it's 9 AM in Istanbul?

3:00 PM in Tokyo, on the same day.

Istanbul to Tokyo Meeting Planner

Tokyo is 6 hours ahead of Istanbul right now. Their working days overlap for 2 hours today.

Istanbul · Turkey

3:46 PM

Sat, Oct 17 · TRT

Tokyo · Japan

9:46 PM

Sat, Oct 17 · JST

Best Meeting Times Between Istanbul and Tokyo

9:00 AM to 11:00 AM in Istanbul (3:00 PM to 5:00 PM in Tokyo). That's when both cities are inside working hours, 9 AM to 5 PM, giving 2 hours of overlap today.

Who's meeting

2 of 4 places

IstanbulOrganizerTurkey ·3:46PMnow
TokyoJapan ·9:46PMnow

Add a city

Add up to 4 places by city, country, time zone or abbreviation, like Tokyo, India or JST. Press "/" to jump here.

Date in Istanbul

Working hours, everywhere

Best times to meet

Saturday, October 17, 2026, in Istanbul time.

10:00AMBest · OptimalWorking hours in Istanbul (10:00) and Tokyo (16:00).
9:00AMOption 2 · OptimalWorking hours in Istanbul (09:00) and Tokyo (15:00).
1:00PMOption 3 · GoodWorking hours in Istanbul (13:00); just outside working hours in Tokyo (19:00).

The whole day

Pick any slot in the Fit row, or use the arrow keys there, to make it the meeting time.

Each column is a one-hour slot of the first place's day. The Fit row grades how well the slot suits everyone; each row shows the local time and whether it's working hours there.
Fit
IstanbulUTC+3
TokyoUTC+9
UTC	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20

Working hours (09–17)Just outside (07–09, 17–20)Late evening (20–23)NightFit: optimal, good, possible, poor

Your meeting

Istanbul10:00 AM UTC+3Sat, Oct 17
Tokyo4:00 PM UTC+9Sat, Oct 17
UTC2026-10-17 07:00 UTC

What will it cost? Try the meeting cost calculator.

Time difference between Istanbul and Tokyo

Tokyo is 6 hours ahead of Istanbul right now: Tokyo is on JST (UTC+9) and Istanbul on TRT (UTC+3). Neither city changes its clocks, so the gap is the same all year.

Time difference between Istanbul and Tokyo over the next 12 months
From	Difference	Why
Now	Tokyo 6 hours ahead	—

Istanbul is on Turkey Time. Tokyo is on Japan Standard Time.

Frequently Asked Questions: Istanbul & Tokyo Scheduling

What is the time difference between Istanbul and Tokyo?: Tokyo is 6 hours ahead of Istanbul right now: Tokyo is on JST (UTC+9) and Istanbul on TRT (UTC+3). Neither city changes its clocks, so the gap is the same all year.
What is the best time to schedule a meeting between Istanbul and Tokyo?: 9:00 AM to 11:00 AM in Istanbul (3:00 PM to 5:00 PM in Tokyo). That's when both cities are inside working hours, 9 AM to 5 PM, giving 2 hours of overlap today.
Does Istanbul observe daylight saving time?: No. Istanbul stays on TRT (UTC+3) all year, so its clocks don't change.
Does Tokyo observe daylight saving time?: No. Tokyo stays on JST (UTC+9) all year, so its clocks don't change.
What time is it in Tokyo when it's 9 AM in Istanbul?: 3:00 PM in Tokyo, on the same day.

Or see every city pair, or plan with more places in the meeting planner.