Hello Daneassai72
This issue is already known and happens in very rare cases for certain people from abroad and living in other time zones. The developers are looking into it.
Get in touch with the SBB customer service in order to rectify the date:
https://www.sbb.ch/en/help-and-contact/customer-service/praise-comments/reklamation.html?stepId=3.17
We are thankful if you do not post your issue multiple times. As we are all volunteers running this platform, you simply double our amount of work. Thank you 🙂 Just wait for someone to answer, we are quick in responding.
Kind regards,
Roland