Change start date for events on the main events page

set-default-events.php

*
 * Set the default date for views like List and Month
 * Modify the $date variable below to set your date
 */
function tribe_set_default_date( $wp_query ) {
	// Only run on main event queries
	if ( ! tribe_is_event_query() || ! $wp_query->is_main_query() || $wp_query->get( 'eventDate' ) != '') return;
	// Set this to the date you want shown, in YYYY-MM-DD format
	$date = '2009-01-01';
	// Select which TEC views you want this to apply to by uncommenting them
	if (
		tribe_is_list_view()
//		|| tribe_is_map()
//		|| tribe_is_photo()
//		|| tribe_is_month()
//		|| tribe_is_week()
//		|| tribe_is_day()
	) {
		$wp_query->set( 'eventDate', $date );
	}
}
if ( function_exists('tribe_is_event_query') ) {
	add_action( 'parse_query', 'tribe_set_default_date', 100);
}