When do Las Vegas sportsbooks post their first lines?
The doors open at 8:00 AM. The Westgate, Circa, and the sportsbooks inside Caesars Palace, MGM Grand, and The Mirage all open between 8:00 AM and 9:00 AM, every day of the year. Christmas morning. New Year’s Day. No exceptions.
But the physical opening is a formality. The real start is the moment the day’s first line hits the board, and that happens hours earlier, often before sunrise in Las Vegas. On a Saturday in September, the board might already carry a full college football slate by the time the first bettor walks in.
How early do lines move on game day?
NFL lines for the following Sunday typically post on Monday afternoon. For same-day action, the earliest pressure comes from morning games in the Eastern time zone. A 10:00 AM Pacific kickoff sees its final line movement around 9:30 AM, when the sharpest money lands.
College basketball lines for an evening slate may not settle until 2:00 PM. For horse racing, Santa Anita’s first post can be 12:30 PM, but workout reports and track-condition updates circulate by 7:00 AM.
Show up at noon and you are betting into a market that has already been picked over.
How does Las Vegas time shift the betting schedule?
Las Vegas runs on Pacific Time. The city sits three hours behind New York and eight hours behind London, year-round. A marquee fight at the MGM Grand Garden Arena scheduled for 9:00 PM Pacific airs at midnight Eastern. Betting windows for that fight close around 8:30 PM, when the fighters enter the ring.
For an international bettor, the offset flips the schedule. Someone in London wanting action on a 10:00 AM Pacific NFL game needs to be awake at 6:00 PM London time to catch the line post, or at 5:00 PM London time if Las Vegas is on daylight time and London is on British Summer Time.
How does DST change Las Vegas betting hours?
Las Vegas observes daylight saving time. Clocks spring forward the second Sunday of March and fall back the first Sunday of November. For 2026:
- Spring forward: Sunday, March 8 at 2:00 AM local → 3:00 AM (PDT, UTC−7)
- Fall back: Sunday, November 1 at 2:00 AM local → 1:00 AM (PST, UTC−8)
On spring-forward Sunday, the sportsbook still opens at 8:00 AM. You lost an hour of sleep. The first NFL preseason games in August run on daylight time, so a 10:00 AM kickoff is still 1:00 PM Eastern. The confusion hits bettors in Arizona, which does not observe DST. In winter, Phoenix is one hour ahead of Las Vegas. In summer, the clocks match. A Phoenix bettor placing a wager on a Las Vegas game must check which side of the DST border applies.
What happens at a Las Vegas sportsbook at 8:00 AM?
At 8:00 AM on a weekday, the Westgate is not empty. Maybe 30 people sit in the room. Retirees. Professional bettors. A few tourists who assumed they could sleep in. The big screens show overnight Australian horse replays and early Korean baseball. Ticket writers stand at their windows. Kiosks are live.
By9:30 AM, the room fills. By10:00 AM, when the first NFL or NBA game tips, every bar seat is taken and the ticket-window line runs six deep. A seat requires an8:00 AM arrival.
Mobile and kiosk betting:24/7, with a catch
Every major Strip casino offers betting kiosks and mobile apps. They are technically available24 hours a day, but they go offline during system maintenance, typically3:00 AM to5:00 AM. More importantly, the kiosk lines are the same lines the ticket writer has. No advantage exists to using a kiosk at4:00 AM. No new lines have posted since the previous evening.
The exception is futures markets. You can bet the Super Bowl winner or the NBA championship at3:00 AM in July. Those lines do not move until a major event happens. Time of day does not matter.
What time should a bettor arrive in Las Vegas?
Fly in. Set an alarm for7:00 AM on your first morning. Walk into the sportsbook at8:00 AM, grab a seat at the bar, and watch the lines move for an hour before you place your first bet. You will see the market adjust in real time. That education is worth more than any tip a tout can sell you.
For the exact times of sunrise and sunset on your travel dates, check the Las Vegas sunrise and sunset times page. For the full breakdown of when every type of business opens and closes, read the Las Vegas business hours guide.