Time Difference Between Seoul and Las Vegas

The time difference between Seoul and Las Vegas is 17 hours. When it is 12:00 noon in Seoul, it is 19:00 in Las Vegas. Seoul uses the Asia/Seoul time zone (UTC+9), while Las Vegas uses America/Los_Angeles (UTC-8).

Las Vegas is 17 hours behind Seoul — 17 hours
Seoul, South Korea
01:56:39
Sunday, November 8, 2026
UTC+9 · KST
↔
Las Vegas, United States
08:56:39
Saturday, November 7, 2026
UTC-8 · PST

Time Zone Details: Seoul vs Las Vegas

Detail Seoul Las Vegas
Time Zone IDAsia/SeoulAmerica/Los_Angeles
UTC OffsetUTC+9UTC-8
AbbreviationKSTPST
DST ActiveNoNo
CountrySouth KoreaUnited States
RegionAsiaNorth America

Best Time to Schedule a Call

With a 17 hours gap, there is no standard business-hours overlap between Seoul and Las Vegas. One party will need to adjust their schedule. Early mornings in Seoul or late evenings in Las Vegas tend to be the most practical compromise.

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from Seoul time to Las Vegas time. Rows highlighted in green indicate overlapping business hours in both cities.

Seoul Las Vegas
00:00 07:00 (-1 day) Night
01:00 08:00 (-1 day) Night
02:00 09:00 (-1 day) Night
03:00 10:00 (-1 day) Night
04:00 11:00 (-1 day) Night
05:00 12:00 (-1 day) Night
06:00 13:00 (-1 day)
07:00 14:00 (-1 day)
08:00 15:00 (-1 day)
09:00 16:00 (-1 day) Overlap
10:00 17:00 (-1 day)
11:00 18:00 (-1 day)
12:00 19:00 (-1 day)
13:00 20:00 (-1 day)
14:00 21:00 (-1 day)
15:00 22:00 (-1 day)
16:00 23:00 (-1 day)
17:00 00:00
18:00 01:00
19:00 02:00
20:00 03:00
21:00 04:00
22:00 05:00 Night
23:00 06:00 Night

Daylight Saving Time (DST) Impact

Neither Seoul nor Las Vegas is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.

Practical Tips for Seoul–Las Vegas Scheduling

Compare Seoul and Las Vegas with Other Cities

From Seoul

From Las Vegas

Frequently Asked Questions

What is the time difference between Seoul and Las Vegas?

The time difference is 17 hours. Las Vegas is 17 hours behind Seoul.

Does the time difference change during the year?

It can. If either Seoul or Las Vegas observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).

When is the best time to call from Seoul to Las Vegas?

There is no ideal window during standard business hours. Consider scheduling at the edges — early morning for the city that is ahead and late afternoon for the city that is behind.

How do I convert Seoul time to Las Vegas time?

Subtract 17 hours from Seoul time to get Las Vegas time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.