diff --git a/lib/redistat/date.rb b/lib/redistat/date.rb
index 1a74910..4cd91e0 100644
--- a/lib/redistat/date.rb
+++ b/lib/redistat/date.rb
@@ -7,6 +7,7 @@ module Redistat
     attr_accessor :hour
     attr_accessor :min
     attr_accessor :sec
+    attr_accessor :usec
     
     def initialize(input)
       if input.is_a?(::Time)
@@ -21,7 +22,7 @@ module Redistat
     end
     
     def to_time
-      ::Time.local(@year, @month, @day, @hour, @min, @sec)
+      ::Time.local(@year, @month, @day, @hour, @min, @sec, @usec)
     end
     
     def to_date
@@ -32,11 +33,16 @@ module Redistat
       to_time.to_i
     end
     
-    def to_string(depth = :sec)
+    def to_string(depth = nil)
+      depth ||= :sec
       output = ""
-      [:year, :month, :day, :hour, :min, :sec].each_with_index do |current, i|
+      [:year, :month, :day, :hour, :min, :sec, :usec].each_with_index do |current, i|
         break if self.send(current).nil?
-        output << self.send(current).to_s.rjust((i <= 0) ? 4 : 2, '0')
+        if current != :usec
+          output << self.send(current).to_s.rjust((i <= 0) ? 4 : 2, '0')
+        else
+          output << "." + self.send(current).to_s.rjust(6, '0')
+        end
         break if current == depth
       end
       output
@@ -51,7 +57,7 @@ module Redistat
     private
     
     def from_time(input)
-      [:year, :month, :day, :hour, :min, :sec].each do |k|
+      [:year, :month, :day, :hour, :min, :sec, :usec].each do |k|
         send("#{k}=", input.send(k))
       end
     end
@@ -60,7 +66,7 @@ module Redistat
       [:year, :month, :day].each do |k|
         send("#{k}=", input.send(k))
       end
-      [:hour, :min, :sec].each do |k|
+      [:hour, :min, :sec, :usec].each do |k|
         send("#{k}=", 0)
       end
     end
diff --git a/spec/date_spec.rb b/spec/date_spec.rb
index f25ef45..fbd3d3d 100644
--- a/spec/date_spec.rb
+++ b/spec/date_spec.rb
@@ -5,7 +5,7 @@ describe Redistat::Date do
   it "should initialize from Time object" do
     now = Time.now
     [Redistat::Date.new(now), now.to_rs].each do |rdate|
-      [:year, :month, :day, :hour, :min, :sec].each { |k| rdate.send(k).should == now.send(k) }
+      [:year, :month, :day, :hour, :min, :sec, :usec].each { |k| rdate.send(k).should == now.send(k) }
     end
   end
   
@@ -13,7 +13,7 @@ describe Redistat::Date do
     today = Date.today
     [Redistat::Date.new(today), today.to_rs].each do |rdate|
       [:year, :month, :day].each { |k| rdate.send(k).should == today.send(k) }
-      [:hour, :min, :sec].each { |k| rdate.send(k).should == 0 }
+      [:hour, :min, :sec, :usec].each { |k| rdate.send(k).should == 0 }
     end
   end
   
@@ -54,6 +54,9 @@ describe Redistat::Date do
     now = Time.now
     [[now, Redistat::Date.new(now)], [today, Redistat::Date.new(today)]].each do |current, rdate|
       props = [:year, :month, :day, :hour, :min, :sec, nil]
+      if rdate.usec > 0
+        rdate.to_s(:usec).should == props.map { |k| current.send(k).to_s.rjust(2, '0') if !k.nil? }.join + "." + current.usec.to_s.rjust(6, '0')
+      end
       props.clone.each do
         rdate.to_s(props.last).should == props.map { |k| current.send(k).to_s.rjust(2, '0') if !k.nil? }.join
         props.pop