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Winter Solstice, the moment when the sun reaches its southernmost point on the celestial sphere, occurring this year at 9:47am, Monday, December 21. This event signals the beginning of winter in the Northern Hemisphere and the beginning of summer in the Southern Hemisphere. With only about ten hours of daylight, San Diego must endure its darkest and gloomiest nights this week and next. During the day, the sun struggles to an altitude of only 34 degrees (as seen from San Diego), then quickly sinks toward the horizon.
Winter Solstice, the moment when the sun reaches its southernmost point on the celestial sphere, occurring this year at 9:47am, Monday, December 21. This event signals the beginning of winter in the Northern Hemisphere and the beginning of summer in the Southern Hemisphere. With only about ten hours of daylight, San Diego must endure its darkest and gloomiest nights this week and next. During the day, the sun struggles to an altitude of only 34 degrees (as seen from San Diego), then quickly sinks toward the horizon.