Shortest Day Of The Year 2024 Sunset Time San Diego. Shortest day in 92127, ca the shortest day of the year will be in 27 days, during the winter solstice on december 21, 2024, with a daylight length of 10 hours and 1 minutes. However, as you can see below the 21st is by far the most common.
21, when the sun will rise at 6:47 a.m. It also lists astronomical sunrise and sunset timings on summer solstice day.