private function calculate_next_payment_date( $format = 'Y-m-d H:i:s' ) {

		// If the limited plan has already ended return early.
		$remaining = $this->get_remaining_payments();
		if ( 0 === $remaining ) {
			// This filter is documented below.
			return apply_filters( 'llms_order_calculate_next_payment_date', '', $format, $this );
		}

		$start_time        = $this->get_date( 'date', 'U' );
		$next_payment_time = $this->get_date( 'date_next_payment', 'U' );
		$last_txn_time     = $this->get_last_transaction_date( 'llms-txn-succeeded', 'recurring', 'U' );

		// If were on a trial and the trial hasn't ended yet next payment date is the date the trial ends.
		if ( $this->has_trial() && ! $this->has_trial_ended() ) {

			$next_payment_time = $this->get_trial_end_date( 'U' );

		} else {

			/**
			 * Calculate next payment date from the saved `date_next_payment` calculated during
			 * the previous recurring transaction or during order initialization.
			 *
			 * This condition will be encountered during the 2nd, 3rd, 4th, etc... recurring payments.
			 */
			if ( $next_payment_time && $next_payment_time < llms_current_time( 'timestamp' ) ) {

				$from_time = $next_payment_time;

				/**
				 * Use the order's last successful transaction date.
				 *
				 * This will be encountered when any amount of "chaos" is
				 * introduced causing the previously stored `date_next_payment`
				 * to be GREATER than the current time.
				 *
				 * Orders created
				 */
			} elseif ( $last_txn_time && $last_txn_time > $start_time ) {

				$from_time = $last_txn_time;

				/**
				 * Use the order's creation time.
				 *
				 * This condition will be encountered for the 1st recurring payment only.
				 */
			} else {

				$from_time = $start_time;

			}

			$period            = $this->get( 'billing_period' );
			$frequency         = $this->get( 'billing_frequency' );
			$next_payment_time = strtotime( '+' . $frequency . ' ' . $period, $from_time );

			/**
			 * Make sure the next payment is more than 2 hours in the future
			 *
			 * This ensures changes to the site's timezone because of daylight savings
			 * will never cause a 2nd renewal payment to be processed on the same day.
			 */
			$i = 1;
			while ( $next_payment_time < ( llms_current_time( 'timestamp', true ) + 2 * HOUR_IN_SECONDS ) && $i < 3000 ) {
				$next_payment_time = strtotime( '+' . $frequency . ' ' . $period, $next_payment_time );
				$i++;
			}
		}

		/**
		 * Filter the calculated next payment date
		 *
		 * @since 3.10.0
		 *
		 * @param string     $ret    The formatted next payment due date or an empty string when there is no next payment.
		 * @param string     $format The requested date format.
		 * @param LLMS_Order $order  The order object.
		 */
		return apply_filters( 'llms_order_calculate_next_payment_date', date( $format, $next_payment_time ), $format, $this );

	}