What time is it in Tulsa OK at 1700 GMT?

At 1700 GMT, it is 12:00 PM (noon) in Tulsa, Oklahoma, which is in the Central Time Zone (CST or CDT, depending on the time of year). During Standard Time (November to March), Tulsa is 6 hours behind GMT, and during Daylight Saving Time (March to November), it is 5 hours behind. Therefore, at 1700 GMT, Tulsa is on Central Daylight Time.