diff --git a/Command.py b/Command.py
index 35a33f5..99689a0 100644
--- a/Command.py
+++ b/Command.py
@@ -6,8 +6,13 @@ class Command:
     def __init__(self, timenow, cmdline):
         self.time = timenow
         self.command = 'start'
+        self.argstr = ''
         self.parseCommandLine(cmdline)
 
+    def __str__(self):
+        return "{'time' => %s, 'command' => %s, 'argstr' => %s}" % \
+            (self.time, self.command, self.argstr)
+
     def parseCommandLine(self, cmdline):
         COMMANDS = {
                 'out'       : 1,
@@ -65,3 +70,8 @@ class Command:
                     seconds = m.group(2)
                 else:                               # hours
                     seconds = m.group(2) * 60 * 60
+                delta = datetime.timedelta(seconds = seconds)
+                if plus_minus == '-':
+                    the_time -= delta
+                else:
+                    the_time += delta
diff --git a/dwtt b/dwtt
index d4c3c3f..f20e4ad 100755
--- a/dwtt
+++ b/dwtt
@@ -42,6 +42,7 @@ def main(argv):
 
     cmdline = doCmdWindow()
     cmd = Command(timenow, cmdline)
+    print "Command:", cmd
 
 def doCmdWindow():
     c = CmdWindow()