KST IstanbulTime Converter
KST (UTC+9) is currently 6 hours ahead of Istanbul (GMT+3, UTC+3). Compare live clocks, convert any hour, and find times to meet.
Quick answer
When it's in KST, it's the same day in Istanbul.
KST runs 6 hours ahead of Istanbul (GMT+3). Both sides keep standard office hours with a real 9–6 overlap — the highlighted window below works for everyone.
- Time difference
- −6h 00m
- KST
- UTC+9
- Istanbul
- UTC+3
- Best call window
- 3:00 PM KST
KST to Istanbul conversion table
The next 12 hours in KST and the matching local time in Istanbul. The current hour is highlighted; drag the converter's slider and the table follows.
| KST | Istanbul · GMT+3 |
|---|---|
| NOW Mon, Jun 22 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Mon, Jun 22 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Tue, Jun 23 |
Best time to meet between KST & Istanbul
Working hours are 9am–6pm in each city. The bright band is where they overlap — when both sides are at their desks.
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. This page always shows the live, DST-aware difference.
Related time zone conversions
Jump straight to another pair — every combination is a live tool, not an article.
From KST
To Istanbul
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 KST time in Istanbul?", 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
{
"pair": "KST → Istanbul",
"url": "https://worldclock.pro/en/convert/kst-to-istanbul",
"from": {
"name": "KST",
"type": "timezone",
"abbreviation": "KST",
"daylightAbbreviation": null,
"iana": "Asia/Seoul",
"standardUtcOffset": "+09:00",
"daylightUtcOffset": null,
"referenceCity": "Seoul"
},
"to": {
"name": "Istanbul",
"type": "city",
"abbreviation": "GMT+3",
"daylightAbbreviation": null,
"iana": "Europe/Istanbul",
"standardUtcOffset": "+03:00",
"daylightUtcOffset": null,
"referenceCity": "Istanbul"
},
"currentDifferenceMinutes": -360,
"possibleDifferencesMinutes": [
-360
],
"note": "The difference is constant year-round."
}
Frequently asked questions
What is the time difference between KST and Istanbul?
KST is currently 6 hours ahead of Istanbul. KST is on KST (UTC+9) and Istanbul is on GMT+3 (UTC+3). The difference can change when either side starts or ends daylight saving time.
Is Istanbul ahead of or behind KST?
Istanbul is currently 6 hours behind KST.
When it is 9:00 AM in KST, what time is it in Istanbul?
When it is 9:00 AM on a Monday in KST, it is 3:00 AM in Istanbul.
Do KST and Istanbul observe daylight saving time?
KST does not observe daylight saving time. Istanbul does not observe daylight saving time.
How do I convert KST time to Istanbul time?
Subtract 6 hours from any time in KST to get the time in Istanbul. This page's converter and 24-hour table do it automatically and stay correct through daylight-saving changes.
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