Index: trunk/FACT++/src/Time.cc
===================================================================
--- trunk/FACT++/src/Time.cc	(revision 11439)
+++ trunk/FACT++/src/Time.cc	(revision 11440)
@@ -256,4 +256,10 @@
 }
 
+// --------------------------------------------------------------------------
+//
+//! @returns
+//!     an int corresponding to the stored time minus 12 hours of the form
+//!     YYYYMMDD, e.g. 20111224 for Christmas eve 2011
+//
 int Time::NightAsInt() const
 {