diff --git a/arg.go b/arg.go
index 22bab79..dde7eb4 100644
--- a/arg.go
+++ b/arg.go
@@ -27,6 +27,17 @@ func NewArg(argType Type, key, help string, def interface{}) *Arg {
 	}
 }
 
+func (a *Arg) String() string {
+	return fmt.Sprintf("[%s $%s/-%s, %v from %v, help %v]",
+		a.ArgType,
+		a.Env,
+		a.Flag,
+		a.Value,
+		a.Default,
+		a.Help,
+	)
+}
+
 func (a *Arg) GetInt() int {
 	if a.ArgType != INT {
 		return -1
diff --git a/argset.go b/argset.go
index 4036283..5c9d31f 100644
--- a/argset.go
+++ b/argset.go
@@ -91,7 +91,7 @@ func (as *ArgSet) setValueFromFlags() error {
 		case DURATION:
 			arg.Default = fs.Duration(arg.Flag, arg.Value.(time.Duration), arg.Help)
 		case TIME:
-			arg.Default = fs.String(arg.Flag, arg.Value.(time.Time).String(), arg.Help)
+			arg.Default = fs.String(arg.Flag, arg.Value.(time.Time).Format("2006-01-02"), arg.Help)
 		case FLOAT:
 			arg.Default = fs.Float64(arg.Flag, float64(arg.Value.(float32)), arg.Help)
 		default: