diff --git a/kernel/core/moment.rb b/kernel/core/moment.rb
index 6f16098..6493a8a 100644
--- a/kernel/core/moment.rb
+++ b/kernel/core/moment.rb
@@ -3,6 +3,33 @@
 
 class Moment
 
+  def self.system_timezone
+    @system_timezone ||= begin
+      zone    = "UTC"
+      setting = "/etc/localtime"
+      if ENV['TZ']
+        zone = ENV['TZ']
+      elsif File.exist?(setting)
+        if File.symlink?(setting)
+          file = File.readlink(setting)
+          zone = file.match(/zoneinfo\/(.*)/)[1]
+        else
+          path = ENV['TZDEFAULT'] || "/usr/share/zoneinfo"
+          data = File.new("/etc/localtime").gets
+          Dir.glob("#{path}/**/*").each do |file|
+            if File.file?(file) && 
+               File.size("/etc/localtime") == File.size(file) &&
+               data == File.new(file).gets
+              zone = file.match(/#{path}\/(.*)/)[1]
+              break
+            end
+          end
+        end
+      end
+      zone
+    end
+  end
+
   def self.now
     Moment.new(nil)
   end