Convert TimeOfDay values to UTC.

lib/crono/period.rb

@@ -31,7 +31,7 @@ module Crono
 
     def description
       desc = "every #{@period.inspect}"
-      desc += " between #{@interval.from} and #{@interval.to}" if @interval
+      desc += " between #{@interval.from} and #{@interval.to} UTC" if @interval
       desc += format(' at %.2i:%.2i', @at_hour, @at_min) if @at_hour && @at_min
       desc += " on #{DAYS[@on].capitalize}" if @on
       desc

lib/crono/time_of_day.rb

@@ -6,17 +6,15 @@ module Crono
     attr_accessor :hour, :min
 
     def self.parse(value)
+      time =
         case value
-      when String
+        when String then Time.parse(value).utc
-        time = Time.parse(value)
+        when Hash   then Time.now.change(value).utc
-        new time.hour, time.min
+        when Time   then value.utc
-      when Hash
-        new value[:hour], value[:min]
-      when Time
-        new value.hour, value.min
         else
           fail "Unknown TimeOfDay format: #{value.inspect}"
         end
+      new time.hour, time.min
     end
 
     def initialize(hour, min)