A luminous Solstice to all Wednesday, 21 June 2006 07:27:20 CDT David-Braverman Weather (0) Summer has just begun in the Northern Hemisphere. It started at 12:26 UTC (8:26 EDT, 5:26 PDT), and goes until September 23rd at 04:03 UTC (11:03 pm Sept. 22nd, CDT).