When you create some events on your Boom Event Calendar on the editor page, you have all the rights to display the events in the order you desire!
To make this through, please follow the provided instructions:
Double click on the Calendar on Wix Editor Page to open the Settings.
On the Main section click on the Manage Events button.
On the RHS you would see the "Sort by" button.
From the dropdown menu select the way you want your event displayed.
Bonus info
Also, you can see the category filter a bit left from the "Sort by" filter, where you can select all the categories, uncategorized or select a unique one and apply it to the events.
