The high tide is at six in the morning! The low tide time is 6: 30 in the afternoon! There are 774 large and small rivers in the Pearl River system, with a total length of more than 36,000 kilometers. Abundant rivers and numerous tributaries have brought superior conditions to the shipping industry of the Pearl River, ranking second in the country after the Yangtze River in terms of shipping value. The Pearl River system is rich in hydropower resources, and the famous hydropower hubs such as Tianshengqiao, Datengxia, Lubuge and Xinfengjiang all belong to the Pearl River system. The Pearl River basin covers a vast area, mostly mountains and hills, accounting for 94.5% of the total area. The Pearl River, also known as the Yuejiang River, is the second largest river by flow and the third longest river in China. The Pearl River originally refers to a 96-kilometer-long waterway from Guangzhou to the estuary, named after it flows through the famous Haizhu Island (Stone), and later gradually became the general name of the Xijiang River, Dongjiang River, Beijiang River and the rivers in the Pearl River Delta. The Pearl River originates from Maxiong Mountain, Wumeng Mountain in Yunnan-Guizhou Plateau, flows through six provinces in the central and western regions and northern Vietnam, and flows into the South China Sea from eight estuaries in the downstream.