diff --git a/lib/Subtitle/BASE.pm b/lib/Subtitle/BASE.pm
index ca129b4..838137c 100644
--- a/lib/Subtitle/BASE.pm
+++ b/lib/Subtitle/BASE.pm
@@ -61,6 +61,20 @@ sub parse_timing {
   return $time;
 }
 
+sub build_timing {
+  my ($self, $time, $prec) = @_;
+  $prec //= 2;
+  my ($hrs, $min, $sec, $msec, $rest);
+  $hrs  = int($time / 3600);
+  $rest =     $time - ($hrs * 3600);
+  $min  = int($rest / 60);
+  $rest =     $rest - ($min * 60);
+  $sec  = int($rest / 1);
+  $msec = sprintf "%.${prec}f", ($rest - ($sec * 1));
+  $msec =~ s/^0\.//o;
+  return sprintf("%d:%02d:%02d.%s", $hrs, $min, $sec, $msec);
+}
+
 sub trim {
   my ($self, $line) = @_;
   return unless defined $line;