Seoul is 16-17 hours ahead of Las Vegas. Las Vegas uses Pacific Time (PST/PDT) while Seoul uses Korea Standard Time (KST, UTC+9). When it's 9:00 AM in Las Vegas, it's 1:00 AM (PST) or 2:00 AM (PDT) the next day in Seoul.
South Korea does not observe daylight saving time, but the US does. The difference is 16 hours during US daylight saving time (March-November) and 17 hours during standard time.
Best calling time: 4:00 PM - 12:00 AM Las Vegas time. This corresponds to 9:00 AM - 5:00 PM in Seoul, covering Korean business hours.
Las Vegas attracts many Korean tourists for its entertainment and casinos. Both cities have vibrant nightlife scenes and are known for their entertainment industries.