What is the time difference between Tokyo and Istanbul?

Istanbul is 6 hours behind Tokyo. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.

When is the best time to call Istanbul from Tokyo?

Between 15:00–18:00 in Tokyo, which is 09:00–12:00 in Istanbul. That is the only stretch where both cities are inside a 09:00–18:00 day.

Does Tokyo observe daylight saving time?

No. Tokyo stays on UTC+9 all year, so its clocks never move.

Does Istanbul observe daylight saving time?

No. Istanbul stays on UTC+3 all year, so its clocks never move.

If it is midday in Tokyo, what time is it in Istanbul?

It is 06:00 in Istanbul, on the same calendar date. That holds for the current offsets; it does not change through the year, because neither city moves its clocks.

Which time zones do Tokyo and Istanbul use?

Tokyo uses Asia/Tokyo, currently UTC+9, and Istanbul uses Europe/Istanbul, currently UTC+3. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Tokyo time to Istanbul time

Istanbul is 6 hours behind Tokyo right now, so midday in Tokyo lands in the morning in Istanbul.

Convert a time

From

Date

Time

Converted time

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The converter needs JavaScript to run. Everything below — offsets, daylight saving dates and the hour-by-hour table — is part of the page and works without it.

Hour by hour

Every hour of a day in Tokyo, and what the clock reads in Istanbul at that same moment.

Tokyo	Istanbul
00:00	18:00previous day
01:00	19:00previous day
02:00	20:00previous day
03:00	21:00previous day
04:00	22:00previous day
05:00	23:00previous day
06:00	00:00
07:00	01:00
08:00	02:00
09:00	03:00
10:00	04:00
11:00	05:00
12:00	06:00
13:00	07:00
14:00	08:00
15:00	09:00
16:00	10:00
17:00	11:00
18:00	12:00
19:00	13:00
20:00	14:00
21:00	15:00
22:00	16:00
23:00	17:00

Daylight saving time

Neither Tokyo nor Istanbul changes its clocks, so the difference between them is the same every day of the year.

Tokyo

Does not observe daylight saving time

Standard: UTC+9

Istanbul

Does not observe daylight saving time

Standard: UTC+3

When you can actually talk

You have 3 hours of shared working time: 15:00–18:00 in Tokyo, which is 09:00–12:00 in Istanbul.

Tokyo 15:00–18:00Istanbul 09:00–12:00

Reference

The underlying data, in case you need to put it in a calendar invitation or a configuration file.

	Tokyo	Istanbul
IANA zone	Asia/Tokyo	Europe/Istanbul
Abbreviation	UTC+9	UTC+3
Standard offset	UTC+9	UTC+3
Daylight offset	—	—
Clock changes this year	0	0
Country	Japan	Türkiye

Example, not the current time. Live times appear once the page loads.

Common questions

What is the time difference between Tokyo and Istanbul?: Istanbul is 6 hours behind Tokyo. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.
When is the best time to call Istanbul from Tokyo?: Between 15:00–18:00 in Tokyo, which is 09:00–12:00 in Istanbul. That is the only stretch where both cities are inside a 09:00–18:00 day.
Does Tokyo observe daylight saving time?: No. Tokyo stays on UTC+9 all year, so its clocks never move.
Does Istanbul observe daylight saving time?: No. Istanbul stays on UTC+3 all year, so its clocks never move.
If it is midday in Tokyo, what time is it in Istanbul?: It is 06:00 in Istanbul, on the same calendar date. That holds for the current offsets; it does not change through the year, because neither city moves its clocks.
Which time zones do Tokyo and Istanbul use?: Tokyo uses Asia/Tokyo, currently UTC+9, and Istanbul uses Europe/Istanbul, currently UTC+3. Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.