public static function should_have_day( $events, $event, $request_date = null ) {
		if ( ! is_array( $events ) ) {
			return false;
		}

		$events = array_filter( array_map( 'tribe_get_event', $events ), static function ( $event ) {
			return $event instanceof \WP_Post;
		} );

		$event = tribe_get_event( $event );

		if ( empty( $events ) || ! $event instanceof \WP_Post ) {
			return false;
		}

		if ( $event->ID === reset( $events )->ID ) {
			// The first event in a set should always trigger the separator display.
			return true;
		}

		if ( null !== $request_date ) {
			$request_date = Dates::build_date_object( $request_date );
		}

		// Reduce events to only keep the starting ones.
		$start_events_ids = array_unique(
			array_combine(
				wp_list_pluck( $events, 'ID' ),
				array_map( static function ( \WP_Post $event ) use ( $request_date ) {
					/*
					 * If we have a request date we "move the event forward" to it.
					 * If the event is in this set, then we assume it fits.
					 * This is usually the case w/ multi-day events that start "in the past" in relation to a request
					 * date; in that case we display them not on their original day, but on the request date.
					 */
					$the_date = null !== $request_date
						? max( $event->dates->start_display, $request_date )
						: $event->dates->start_display;

					return $the_date->format( 'd' );
				}, $events )
			)
		);

		return $event->ID === array_search( $event->dates->start_display->format( 'd' ), $start_events_ids, true );
	}