Periods of sun
Rises at 6:30 AM with 13:59 of sunlight, then sets at 8:29 PM
Rises at 7:40 PM with 10:58 of moolight, then sets at 6:38 AM
Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.