diff -Naurz diffutils-3.2.orig/src/context.c diffutils-3.2/src/context.c
--- diffutils-3.2.orig/src/context.c
+++ diffutils-3.2/src/context.c
@@ -42,7 +42,11 @@
 		     struct file_data *inf,
 		     char const *label)
 {
-  if (label)
+  if (_not_show_time_)
+  {
+    fprintf (outfile, "%s %s\n", mark, inf->name);
+  }
+  else if (label)
     fprintf (outfile, "%s %s\n", mark, label);
   else
     {
diff -Naurz diffutils-3.2.orig/src/diff.c diffutils-3.2/src/diff.c
--- diffutils-3.2.orig/src/diff.c
+++ diffutils-3.2/src/diff.c
@@ -55,6 +55,8 @@
 # define GUTTER_WIDTH_MINIMUM 3
 #endif
 
+XTERN int _not_show_time_ = 0;
+
 struct regexp_list
 {
   char *regexps;	/* chars representing disjunction of the regexps */
@@ -107,7 +109,7 @@
 static bool report_identical_files;
 
 static char const shortopts[] =
-"0123456789abBcC:dD:eEfF:hHiI:lL:nNpPqrsS:tTuU:vwW:x:X:yZ";
+"0123456789abBcC:dD:eEfF:hHiI:lL:nNpPqrsS:tTuU:vwW:x:X:yZz";
 
 /* Values for long options that do not have single-letter equivalents.  */
 enum
@@ -214,6 +216,7 @@
   {"unified", 2, 0, 'U'},
   {"version", 0, 0, 'v'},
   {"width", 1, 0, 'W'},
+  {"not-show-time", 0, 0, 'z'},
   {0, 0, 0, 0}
 };
 
@@ -437,6 +440,10 @@
 	  else
 	    fatal ("too many file label options");
 	  break;
+	
+	case 'z':
+		_not_show_time_ = 1;
+	  break;
 
 	case 'n':
 	  specify_style (OUTPUT_RCS);
@@ -885,6 +892,7 @@
      "                                  FILE2 can be a directory"),
   "",
   N_("-i, --ignore-case               ignore case differences in file contents"),
+  N_("-z                              Do not show time stamp."),
   N_("-E, --ignore-tab-expansion      ignore changes due to tab expansion"),
   N_("-Z, --ignore-trailing-space     ignore white space at line end"),
   N_("-b, --ignore-space-change       ignore changes in the amount of white space"),
diff -Naurz diffutils-3.2.orig/src/diff.h diffutils-3.2/src/diff.h
--- diffutils-3.2.orig/src/diff.h
+++ diffutils-3.2/src/diff.h
@@ -316,6 +316,8 @@
 
 /* Describe the two files currently being compared.  */
 
+XTERN int _not_show_time_;
+
 XTERN struct file_data files[2];
 
 /* Stdio stream to output diffs to.  */