Hi. Please reference:
- the shortcode: /wp-content/plugins/events-calendar-pro/src/Tribe/Shortcodes/Tribe_Events.php
- then this calls the Day View template: /wp-content/plugins/events-calendar-pro/src/Tribe/Shortcodes/Tribe_Events/Day.php
- the Day View template: /wp-content/plugins/the-events-calendar/src/Tribe/Template/Day.php
Ultimately, it uses the same output as the regular Day View, which is from /wp-content/plugins/the-events-calendar/src/views/day/single-event.php
You can follow along with our Themer’s Guide for how to customize it to your liking.
Please let me know how this goes for you.