block  lat        lon        year  time_local_zone_diff  
a      33.350119  -79.19494  2014  -4                    
b      33.350119  -79.19494  2014  -4                    
c      33.350119  -79.19494  2014  -4                    
d      33.350119  -79.19494  2014  -4                    
e      33.350119  -79.19494  2014  -4