
A full moon is pictured in Harbin, northeast China's Heilongjiang Province, Dec. 4, 2025. This year's second-largest full moon to the eyes of lunar observers will appear on Friday morning, but the best viewing time falls on Thursday evening. (Xinhua/Zhang Tao)

A drone photo taken on Dec. 4, 2025 shows a full moon over a tower in Shuangyashan City, northeast China's Heilongjiang Province. This year's second-largest full moon to the eyes of lunar observers will appear on Friday morning, but the best viewing time falls on Thursday evening. (Photo by Han Yang/Xinhua)

A full moon is pictured in Fujin City, northeast China's Heilongjiang Province, Dec. 4, 2025 This year's second-largest full moon to the eyes of lunar observers will appear on Friday morning, but the best viewing time falls on Thursday evening. (Photo by Qu Yubao/Xinhua)

A citizen cycles as a full moon is seen over Tongjiang City, northeast China's Heilongjiang Province, Dec. 4, 2025. This year's second-largest full moon to the eyes of lunar observers will appear on Friday morning, but the best viewing time falls on Thursday evening. (Photo by Liu Wanping/Xinhua)