You can customize to show/hide or change the date format of reviews.
On this page:
Change the date format
Show/hide the date of reviews
Change the date format
From your Ryviu admin, click Settings > Customer Reviews > Reviews widget.
On Date format, select the format that you want.
Click Save Changes button.
Show/hide the date of reviews
From your Ryviu admin, click Settings > Customer Reviews > Customize.
In Sections, toggle to disable or enable Date time option (green is shown, grey is hidden).
Click Save button.