San Antonio SeoulTime Converter
San Antonio (CDT, UTC−5) is currently 14 hours behind Seoul (KST, UTC+9). Compare live clocks, convert any hour, and find times to meet.
Best time to meet between San Antonio and Seoul
Best meeting times:
San Antonio: 5:00 PM – 6:00 PM
Seoul: 7:00 AM – 8:00 AM
Quick answer
When it's in San Antonio, it's the same day in Seoul.
San Antonio (CST/CDT) runs 14 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
- +14h 00m
- San Antonio
- UTC−5
- Seoul
- UTC+9
- Best call window
- Outside 9–6
San Antonio to Seoul conversion table
The next 12 hours in San Antonio and the matching local time in Seoul. The current hour is highlighted; drag the converter's slider and the table follows.
| San Antonio · CDT | Seoul · KST |
|---|---|
| NOW Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Thu, Aug 6 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Fri, Aug 7 |
Daylight saving shifts this gap by up to 1 hour
The difference between San Antonio and Seoul swings between 14 and 15 hours across the year as each side starts or ends daylight saving. Clocks in San Antonio move back 1 hour to CST (UTC−6) on Sunday, November 1, 2026. 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 San Antonio
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 San Antonio 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 time zone identifiers and every possible offset
- Live times in <time datetime> elements with explicit UTC offsets
{
"pair": "San Antonio → Seoul",
"url": "https://worldclock.pro/en/convert/san-antonio-to-seoul",
"from": {
"name": "San Antonio",
"type": "city",
"abbreviation": "CST",
"daylightAbbreviation": "CDT",
"iana": "America/Chicago",
"standardUtcOffset": "-06:00",
"daylightUtcOffset": "-05:00",
"referenceCity": "San Antonio"
},
"to": {
"name": "Seoul",
"type": "city",
"abbreviation": "KST",
"daylightAbbreviation": null,
"iana": "Asia/Seoul",
"standardUtcOffset": "+09:00",
"daylightUtcOffset": null,
"referenceCity": "Seoul"
},
"currentDifferenceMinutes": 840,
"possibleDifferencesMinutes": [
840,
900
],
"note": "Between the regions that use these zones the difference is 14 and 15 hours across the year, depending on daylight saving on each side. The clocks on this page show the named zones themselves, which are fixed."
}
Frequently asked questions
What is the time difference between San Antonio and Seoul?
San Antonio is currently 14 hours behind Seoul. San Antonio is on CDT (UTC−5) 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 San Antonio?
Seoul is currently 14 hours ahead of San Antonio.
When it is 9:00 AM in San Antonio, what time is it in Seoul?
When it is 9:00 AM on a Thursday in San Antonio, it is 11:00 PM in Seoul.
Do San Antonio and Seoul observe daylight saving time?
Clocks in San Antonio move back 1 hour to CST (UTC−6) on Sunday, November 1, 2026. Seoul does not observe daylight saving time.
How do I convert San Antonio time to Seoul time?
Add 14 hours to any time in San Antonio 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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