function create_sentence( $days ) {
		if ( null === $days || 0 === count( $days ) ) {
			return '';
		}

		// Find today. It might not be in the array at all.
		$today         = null;
		$today_weekday = gmdate( 'w', current_time( 'timestamp' ) ); // 0 if today is Sunday
		foreach ( $days as $day ) {
			if ( strval( $day->weekday ) === $today_weekday ) {
				$today = $day;
				break;
			}
		}

		// are we open right now?
		if ( null !== $today && $today->open_right_now() ) {
			// currently open
			return __( 'Open today until ', 'inventory-presser' ) . $today->close_string();
		} elseif ( null != $today && $today->open_later_today() ) {
			// not yet open today
			$open_string = $today->open_string();
			if ( '' == $open_string ) {
				return '';
			}
			return __( 'Opening at ', 'inventory-presser' ) . $open_string . __( ' today', 'inventory-presser' );
		}

		// Find the next day we are open.
		$next_open_day = self::find_next_open_day( $days );
		if ( null === $next_open_day ) {
			return '';
		}

		// closed today, tell them about the next time we are open
		$str = __( 'Closed until ', 'inventory-presser' ) . $next_open_day->open_string();

		// If $next_open_day is tomorrow, output "tomorrow" instead of "on Tuesday"
		if ( $next_open_day->is_tomorrow() ) {
			$str .= __( ' tomorrow', 'inventory-presser' );
		} else {
			$str .= __( ' on ', 'inventory-presser' ) . ucfirst( array_keys( INVP::weekdays() )[ $next_open_day->weekday - 1 ] );
		}

		return $str;
	}