Time difference between Seoul and Las Vegas

Las Vegas is 16 hours behind Seoul.

South Korea · Korean Standard Time

4:45 PM

Wednesday, October 21, 2026

United States · Pacific Daylight Time

12:45 AM

Wednesday, October 21, 2026

Seoul to Las Vegas time converter

Green rows are office hours in both places; light green rows are when both are awake.

What is the time difference between Seoul and Las Vegas?

Las Vegas is 16 hours behind Seoul. Seoul is on UTC+9 and Las Vegas is on UTC−7.

What time is it in Las Vegas when it is 9 AM in Seoul?

When it is 9:00 AM in Seoul, it is 5:00 PM the previous day in Las Vegas.

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

The best time to call or meet is 9:00 AM–10:00 AM in Seoul (5:00 PM–6:00 PM in Las Vegas), when both places are in normal office hours.

Does the time difference between Seoul and Las Vegas change?

Yes. Because of daylight saving time, the difference changes on Sunday, November 1, 2026, when Las Vegas will be 17 hours behind Seoul.

Seoul is 16 hours ahead of Las Vegas. More: time in Seoul · time in Las Vegas