diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog
index b399bbeed99..38326632b4b 100644
--- a/libgfortran/ChangeLog
+++ b/libgfortran/ChangeLog
@@ -1,4 +1,9 @@
-2006-09-14  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+2006-09-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR libgfortran/29099
+	* intrinsics/date_and_time.c (secnds): Fix case of zero time.
+
+2006-09-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 
 	PR libgfortran/29053
 	* io.h (gfc_unit): Add variable, strm_pos, to track
diff --git a/libgfortran/intrinsics/date_and_time.c b/libgfortran/intrinsics/date_and_time.c
index 6a4131f7ddc..9255176adcb 100644
--- a/libgfortran/intrinsics/date_and_time.c
+++ b/libgfortran/intrinsics/date_and_time.c
@@ -356,7 +356,7 @@ secnds (GFC_REAL_4 *x)
 		   (GFC_REAL_4)values[6] +
 	   0.001 * (GFC_REAL_4)values[7];
   temp2 = fmod (*x, 86400.0);
-  temp2 = (temp1 - temp2 > 0.0) ? temp2 : (temp2 - 86400.0);
+  temp2 = (temp1 - temp2 >= 0.0) ? temp2 : (temp2 - 86400.0);
   return temp1 - temp2;
 }