lib/ri_cal/component/calendar.rb in rubyredrick-ri_cal-0.5.2 vs lib/ri_cal/component/calendar.rb in rubyredrick-ri_cal-0.5.3

@@ -138,10 +138,11 @@
           local_date_time(tzinfo.utc_to_local(local.to_ri_cal_ruby_value), tzinfo.identifier)
         end
 
 
         def rational_utc_offset(local)
-          Rational(tzinfo.period_for_local(local, true).utc_total_offset, 3600) / 24
+          # 86400 is the number of seconds in a day
+          RiCal.RationalOffset[tzinfo.period_for_local(local, true).utc_total_offset]
         end
 
       end
 
       def find_timezone(identifier)  #:nodoc: