Denver is 1 hour ahead of Las Vegas. Las Vegas uses Pacific Time (PST/PDT) while Denver uses Mountain Time (MST/MDT). When it's 9:00 AM in Las Vegas, it's 10:00 AM in Denver.
Both cities observe daylight saving time on the same schedule, so the 1-hour difference remains constant year-round.
Best calling time: 8:00 AM - 4:00 PM Las Vegas time. This corresponds to 9:00 AM - 5:00 PM in Denver, covering Colorado business hours.
Las Vegas and Denver are connected by direct flights taking about 2 hours. Both are popular tourist destinations—Las Vegas for entertainment and Denver as a gateway to Colorado's ski resorts.