Index: RTC.c
===================================================================
diff -u -r519a676a194a6d5045403fb75610acd98569ef97 -rc83387a25db8a1afae0bc2348d61b6a2f562f145
--- RTC.c	(.../RTC.c)	(revision 519a676a194a6d5045403fb75610acd98569ef97)
+++ RTC.c	(.../RTC.c)	(revision c83387a25db8a1afae0bc2348d61b6a2f562f145)
@@ -906,10 +906,11 @@
         if ( days >= dayCnt )
         {
             dtTime.months = i + 1;
+            dtTime.days = days - dayCnt;
         }
         dayCnt += daysInMonth[ i ];
     }
-    dtTime.days = days;
+    dtTime.days += 1;  // days will be number of full days in current month so need to add 1 for the partial current day to get day of month
     dtTime.hours = hours;
     dtTime.minutes = mins;
     dtTime.seconds = secs;