By default, when you create an Overview Page, the system will adapt all of your date fields and expose the information as a relative date, like the example below:
If you want to change this behaviour and show the real date, you just need to execute a simple configuration in your app descriptor (manifest.json) deactivating the use of relative dates:
The attribute showDateInRelativeFormat is verified in a generic card code inside the sap.ovp library, this means that all card layouts will be affected by this configuration.
This is the final result:
See the original post here