What is the time difference between San Antonio TX and Barcelona Spain?

San Antonio, TX, United States and Barcelona, Spain are in different time zones. San Antonio is in the Central Standard Time (CST) zone, while Barcelona is in the Central European Time (CET) zone. The time difference between the two cities is -7 hours. This means that when it is 12:00 PM in San Antonio, it is 7:00 PM in Barcelona.