49 days until autumn beginsThe sun will rise in San Francisco at 6:16:13 amand sunset will be at 8:14:36 pm. We will have 13 hours and 58 minutes of daylight todayThe solar transit will be at 1:15:24 pm. The first low tide is right now at 8:51 am at 1.52 feetGood time to tide pooling! 1790 – A newly passed tariff act creates the Revenue Cutter Service (the forerunner of the United States Coast Guard). 1977 – U.S. President Jimmy Carter signs legislation creating the United States Department of Energy.