What is what zone is oklahoma?

Oklahoma is located in the Central Time Zone (CT) of the United States, which is six hours behind Coordinated Universal Time (UTC-6). The state mostly follows daylight saving time, which begins on the second Sunday in March and ends on the first Sunday in November. Some regions in Oklahoma, such as the western parts of the state, do not observe daylight saving time and remain on Central Standard Time (CST) throughout the year.