public function update_start_date( $post_id, $post, $update ) {
		// Bail on Revision
		if ( wp_is_post_revision( $post_id ) ) {
			return false;
		}

		// Bail if the CPT doens't accept tickets
		if ( ! tribe_tickets_post_type_enabled( $post->post_type ) ) {
			return false;
		}

		$meta_key = $this->key_start_date;
		$tickets = $this->get_tickets_ids( $post_id );

		foreach ( $tickets as $ticket_id ) {
			// Skip tickets with manual updates to that meta
			if ( $this->has_manual_update( $ticket_id, $meta_key ) ) {
				continue;
			}

			$current_date = get_post_meta( $ticket_id, $meta_key, true );
			// Skip if the ticket has already a date
			if ( ! empty( $current_date ) ) {
				continue;
			}

			// 30 min
			$round = 30;
			if ( class_exists( 'Tribe__Events__Main' ) ) {
				$round = (int) tribe( 'tec.admin.event-meta-box' )->get_timepicker_step( 'start' );
			}
			// Convert to seconds
			$round *= MINUTE_IN_SECONDS;
			$date = strtotime( $post->post_date );
			$date = round( $date / $round ) * $round;
			$date = date( Tribe__Date_Utils::DBDATETIMEFORMAT, $date );

			update_post_meta( $ticket_id, $meta_key, $date );
		}

		return true;
	}