Show time stamp only for the first gzip member.
diff --git a/pigz.c b/pigz.c
index 32d3081..915a808 100644
--- a/pigz.c
+++ b/pigz.c
@@ -3100,7 +3100,7 @@
         strcpy(tag + max - 3, "...");
 
     // convert time stamp to text
-    if (g.stamp) {
+    if (g.stamp && !cont) {
         strcpy(mod, ctime(&g.stamp));
         now = time(NULL);
         if (strcmp(mod + 20, ctime(&now) + 20) != 0)