Cancun is located in Mexico's Quintana Roo state and now operates Eastern Standard Time (EST). This change is designed to strengthen Cancun's competitiveness with other tourist destinations in the Caribbean that work with EST.
World Time Mexico Quintana Roo Cancun. The entire state of Quintana Roo, where Cancun is located (the capital is Chetumal), will officially change the time zones from Central Standard Time (CST) to Eastern Standard Time (EST). This time zone converter allows you to convert EST to Cancun, Mexico time and vice versa visually and very quickly.