You may sometimes see a message stating that you have until Monday at 23.59 EST to wager your bonus. What does EST mean and how do you know what the time is over there? Casinos are in different timezones and it can be a problem keeping track of each zone. Below you will find a list of timezones for each casino. The list is automatically set to summertime and will change back to winter hours when the time comes. To get the correct time, just refresh the page.