Istanbul OsakaTime Converter

Istanbul (GMT+3, UTC+3) is currently 6 hours behind Osaka (JST, UTC+9). Compare live clocks, convert any hour, and find times to meet.

Live DST-aware Shareable URLs
 
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Quick answer

When it's in Istanbul, it's the same day in Osaka.

Istanbul (GMT+3) runs 6 hours behind Osaka (JST). Both sides keep standard office hours with a real 9–6 overlap — the highlighted window below works for everyone.

Time difference
+6h 00m
Istanbul
UTC+3
Osaka
UTC+9
Best call window
9:00 AM GMT+3
Hour by hour

Istanbul to Osaka conversion table

The next 12 hours in Istanbul and the matching local time in Osaka. The current hour is highlighted; drag the converter's slider and the table follows.

Hourly conversion from Istanbul to Osaka
Istanbul · GMT+3 Osaka · JST Osaka status
NOW
Mon, Jun 22
Mon, Jun 22
Night
Mon, Jun 22
Mon, Jun 22
Night
Mon, Jun 22
Mon, Jun 22
Night
Mon, Jun 22
Tue, Jun 23
Night
Mon, Jun 22
Tue, Jun 23
Night
Mon, Jun 22
Tue, Jun 23
Night
Mon, Jun 22
Tue, Jun 23
Night
Mon, Jun 22
Tue, Jun 23
Night
Mon, Jun 22
Tue, Jun 23
Night
Tue, Jun 23
Tue, Jun 23
Day
Tue, Jun 23
Tue, Jun 23
Day
Tue, Jun 23
Tue, Jun 23
Day
Meeting planner

Best time to meet between Istanbul & Osaka

Working hours are 9am–6pm in each city. The bright band is where they overlap — when both sides are at their desks.

Istanbul GMT+3
Osaka JST
Both in business hours Business hours (9–18) Morning / evening Night Now
Best time for a call or meeting: between 9:00 AM and 12:00 PM in Istanbul, which is 3:00 PM–6:00 PM in Osaka — both sides are inside normal business hours (9:00 AM – 6:00 PM).
Good to know

This time difference never changes

Neither side observes daylight saving against the other, so the gap stays constant all year. Istanbul does not observe daylight saving time. Osaka does not observe daylight saving time. This page always shows the live, DST-aware difference.

Built for humans and machines

One source of truth — for you and your AI

This page exposes the same answer as structured data, so when you ask an assistant "what's 9am Istanbul time in Osaka?", it can cite the exact, DST-aware result — not a stale blog post.

  • Schema.org JSON-LD on every converter page
  • A machine-readable facts island with IANA zones and every possible offset
  • Live times in <time datetime> elements with explicit UTC offsets
JSON #timezone-pair-data · embedded in this page
{
  "pair": "Istanbul → Osaka",
  "url": "https://worldclock.pro/en/convert/istanbul-to-osaka",
  "from": {
    "name": "Istanbul",
    "type": "city",
    "abbreviation": "GMT+3",
    "daylightAbbreviation": null,
    "iana": "Europe/Istanbul",
    "standardUtcOffset": "+03:00",
    "daylightUtcOffset": null,
    "referenceCity": "Istanbul"
  },
  "to": {
    "name": "Osaka",
    "type": "city",
    "abbreviation": "JST",
    "daylightAbbreviation": null,
    "iana": "Asia/Tokyo",
    "standardUtcOffset": "+09:00",
    "daylightUtcOffset": null,
    "referenceCity": "Osaka"
  },
  "currentDifferenceMinutes": 360,
  "possibleDifferencesMinutes": [
    360
  ],
  "note": "The difference is constant year-round."
}

Frequently asked questions

What is the time difference between Istanbul and Osaka?

Istanbul is currently 6 hours behind Osaka. Istanbul is on GMT+3 (UTC+3) and Osaka is on JST (UTC+9). The difference can change when either side starts or ends daylight saving time.

Is Osaka ahead of or behind Istanbul?

Osaka is currently 6 hours ahead of Istanbul.

When it is 9:00 AM in Istanbul, what time is it in Osaka?

When it is 9:00 AM on a Monday in Istanbul, it is 3:00 PM in Osaka.

Do Istanbul and Osaka observe daylight saving time?

Istanbul does not observe daylight saving time. Osaka does not observe daylight saving time.

How do I convert Istanbul time to Osaka time?

Add 6 hours to any time in Istanbul to get the time in Osaka. This page's converter and 24-hour table do it automatically and stay correct through daylight-saving changes.

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