Ulan Bator SeoulTime Converter
Ulan Bator (GMT+8, UTC+8) is currently 1 hour behind Seoul (KST, UTC+9). Compare live clocks, convert any hour, and find times to meet.
Quick answer
When it's in Ulan Bator, it's the same day in Seoul.
Ulan Bator (GMT+8) runs 1 hour behind Seoul (KST). Both sides keep standard office hours with a real 9–6 overlap — the highlighted window below works for everyone.
- Time difference
- +1h 00m
- Ulan Bator
- UTC+8
- Seoul
- UTC+9
- Best call window
- 9:00 AM GMT+8
Ulan Bator to Seoul conversion table
The next 12 hours in Ulan Bator and the matching local time in Seoul. The current hour is highlighted; drag the converter's slider and the table follows.
| Ulan Bator · GMT+8 | Seoul · KST |
|---|---|
| NOW Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
Mon, Jun 22 |
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 |
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 Ulan Bator & Seoul
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. Ulan Bator does not observe daylight saving time. Seoul 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 Ulan Bator
To Seoul
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 Ulan Bator time in Seoul?", 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": "Ulan Bator → Seoul",
"url": "https://worldclock.pro/en/convert/ulan-bator-to-seoul",
"from": {
"name": "Ulan Bator",
"type": "city",
"abbreviation": "GMT+8",
"daylightAbbreviation": null,
"iana": "Asia/Ulaanbaatar",
"standardUtcOffset": "+08:00",
"daylightUtcOffset": null,
"referenceCity": "Ulan Bator"
},
"to": {
"name": "Seoul",
"type": "city",
"abbreviation": "KST",
"daylightAbbreviation": null,
"iana": "Asia/Seoul",
"standardUtcOffset": "+09:00",
"daylightUtcOffset": null,
"referenceCity": "Seoul"
},
"currentDifferenceMinutes": 60,
"possibleDifferencesMinutes": [
60
],
"note": "The difference is constant year-round."
}
Frequently asked questions
What is the time difference between Ulan Bator and Seoul?
Ulan Bator is currently 1 hour behind Seoul. Ulan Bator is on GMT+8 (UTC+8) and Seoul is on KST (UTC+9). The difference can change when either side starts or ends daylight saving time.
Is Seoul ahead of or behind Ulan Bator?
Seoul is currently 1 hour ahead of Ulan Bator.
When it is 9:00 AM in Ulan Bator, what time is it in Seoul?
When it is 9:00 AM on a Monday in Ulan Bator, it is 10:00 AM in Seoul.
Do Ulan Bator and Seoul observe daylight saving time?
Ulan Bator does not observe daylight saving time. Seoul does not observe daylight saving time.
How do I convert Ulan Bator time to Seoul time?
Add 1 hour to any time in Ulan Bator to get the time in Seoul. This page's converter and 24-hour table do it automatically and stay correct through daylight-saving changes.
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