The entrance ticket (Studio Pass) is open dated and the current Holiday Tours tickets are valid until December 2018. You can use the pass anytime from now until December 2018.
The Express Pass purchase is valid for the date stated on the pass. The pass is non-changeable and refundable once purchase. Selected rides are timed entry, please ensure you present yourself at those rides based on the designated time stated on your Express Pass. The ticket is not valid for other times and cannot be re-issued.