Starting with the release of Strategy ONE (March 2024), dossiers are also known as dashboards.
SYMPTOM:
In Strategy 10.11, user creates a Dossier with data imported from an Excel file, the timestamp elements imported could be displayed correctly in Web as shown below:

However it displayed incorrectly in when running the same Dossier via Strategy Library 10.11 for iOS:

CAUSE:
This is a known issue in Strategy Library 10.11 for iOS.
ACTION:
Currently this issue is still being reviewed for feasibility by our Technology team and it is not scoped for any upcoming scheduled Strategy release.