At 30.19, Annelies and John go to the hospital. They pass a clock which reads 2.38. A few seconds later, after chatting to the receptionist, a clock can be seen reading 2.15, a full 23 minutes before.
At 32.35, they leave and the clock reads 2.42.
When Sellaslaghs goes in to see the doctor, the clock reads 8.55. The detectives turn up and it reads 10.43 and then 10.47 a few seconds later.