To search for a list of students registered on a specific day, follow these steps:

1. Go to the "Students Module" on the online platform.
2. Look for the "Online Registered" option and click on it.
3. Within the "Online Registered" section, locate and click on the "Advanced Search" option.
4. A search form will appear. In the form, select the desired date for which you want to search for registrations.
5. After selecting the date, click on the "Search" button.
6. The system will process your request, and you will be presented with a list of students who registered on the specified date.

By following these steps, you will be able to retrieve the list of students registered on a particular day using the online platform's student module.