How long does it take for subject reservations to be automatically canceled due to weather conditions?

In this case it will be automatically canceled within 24 hours.

Driving test appointments are canceled due to extreme weather conditions, such as heavy rain, snow, etc., as the test venue does not meet the test conditions due to weather reasons. Candidates will be notified in advance and the test time schedule will not affect the test. Priority ranking, and then continue to make appointments for the next exam. Candidates need to pay attention and keep abreast of exam developments to avoid missing the exam.