The Valley SeoulTime Converter
The Valley (AST, UTC−4) is currently 13 hours behind Seoul (KST, UTC+9). Compare live clocks, convert any hour, and find times to meet.
Quick answer
When it's in The Valley, it's the same day in Seoul.
The Valley (AST) runs 13 hours behind Seoul (KST). A 9-to-5 workday on one side lands in the other side's evening or night, so the two cities share almost no normal working hours — edge-of-day calls are the trick.
- Time difference
- +13h 00m
- The Valley
- UTC−4
- Seoul
- UTC+9
- Best call window
- Outside 9–6
The Valley to Seoul conversion table
The next 12 hours in The Valley and the matching local time in Seoul. The current hour is highlighted; drag the converter's slider and the table follows.
| The Valley · AST | 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 |
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 |
Mon, Jun 22 |
Tue, Jun 23 |
Best time to meet between The Valley & 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. The Valley 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 The Valley
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 The Valley 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": "The Valley → Seoul",
"url": "https://worldclock.pro/en/convert/the-valley-to-seoul",
"from": {
"name": "The Valley",
"type": "city",
"abbreviation": "AST",
"daylightAbbreviation": null,
"iana": "America/Anguilla",
"standardUtcOffset": "-04:00",
"daylightUtcOffset": null,
"referenceCity": "The Valley"
},
"to": {
"name": "Seoul",
"type": "city",
"abbreviation": "KST",
"daylightAbbreviation": null,
"iana": "Asia/Seoul",
"standardUtcOffset": "+09:00",
"daylightUtcOffset": null,
"referenceCity": "Seoul"
},
"currentDifferenceMinutes": 780,
"possibleDifferencesMinutes": [
780
],
"note": "The difference is constant year-round."
}
Frequently asked questions
What is the time difference between The Valley and Seoul?
The Valley is currently 13 hours behind Seoul. The Valley is on AST (UTC−4) 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 The Valley?
Seoul is currently 13 hours ahead of The Valley.
When it is 9:00 AM in The Valley, what time is it in Seoul?
When it is 9:00 AM on a Monday in The Valley, it is 10:00 PM in Seoul.
Do The Valley and Seoul observe daylight saving time?
The Valley does not observe daylight saving time. Seoul does not observe daylight saving time.
How do I convert The Valley time to Seoul time?
Add 13 hours to any time in The Valley 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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