Index: Common.h
===================================================================
diff -u -rd1dab1d15616dfcf804743cf07870e92f3c83649 -r59568656d8474aa5ca567846447a85e733f36880
--- Common.h	(.../Common.h)	(revision d1dab1d15616dfcf804743cf07870e92f3c83649)
+++ Common.h	(.../Common.h)	(revision 59568656d8474aa5ca567846447a85e733f36880)
@@ -106,6 +106,7 @@
 #define FRACTION_TO_PERCENT_FACTOR      100.0       ///< Percentage factor (100).
 #define MIN_PER_HOUR                    60          ///< # of minutes in an hour.
 #define PI                              3.1415927   ///< PI.
+#define SECONDS_IN_A_DAY                86400       ///< Number of seconds in a day
 
 // **** Common Macros ****