Opening/closing tickets does not work during DST transitions

Running the latest 4.0.1 dev version, the following errors appeared last night around the time of the daylight savings time transition:

<img width="3388" height="423" alt="Image" src="https://github.com/user-attachments/assets/5d9f2c43-cdb5-4fe7-bfdd-c0efae7b8d13" />