In Chengdu, the time of sunset fluctuates throughout the year due to its location in a humid subtropical zone. During the month of May 2026, sunset typically occurs between 7:41 PM at the beginning of the month and 8:01 PM by the end of the month. For instance, on May 21, 2026, the sun is expected to set at approximately 7:55 PM. The city experiences its latest sunsets around the summer solstice in late June, reaching as late as 8:11 PM, while the earliest sunsets occur in December at approximately 6:05 PM. Following the actual sunset, civil twilight continues for about 25 to 26 minutes, providing a period of fading light before total darkness.