<span style="color: #444444; font-family: 'Open Sans', Helvetica, Arial, sans-serif; font-size: 14px; line-height: 21.875px; background-color: #fafafa;"> The details about date and time of the results are always the same and are obviously wrong. I post an image of the results database</span>
Please try settings the timezone and time settings from wp-admin -> Settimgs ->general ->timezone .
If above does not solve your issue then please try contacting your webhost on this as this is wordpress standard feature .
This is core wordpress feature and is related to the mysql time.Have you tried a newly created quiz ?Is this issue is appearing on the comments of blog posts also ?
Please try contacting your webhost on the time of the your mysql.
I tried to create a new quiz. I don't know if it appears also in blog posts because the website it's not yet active
This is wordpress setup issue ,try contacting wordpress support for this and contact yourwebhost on this .