diff --git a/time_t/GNUmakefile b/time_t/GNUmakefile
new file mode 100644
index 0000000..f291b00
--- /dev/null
+++ b/time_t/GNUmakefile
@@ -0,0 +1,8 @@
+include GNUmakerules
+
+all: time_t
+
+time_t:
+clean:
+	rm time_t
+install: $(BINDIR)/time_t
diff --git a/time_t/time_t.c b/time_t/time_t.c
new file mode 100644
index 0000000..3f93472
--- /dev/null
+++ b/time_t/time_t.c
@@ -0,0 +1,31 @@
+#include <stdio.h>
+#include <time.h>
+#include <stdlib.h>
+
+char *cmnd;
+
+void usage(void) {
+    fprintf(stderr, "Usage: %s time_t ...\n", cmnd);
+    exit(1);
+}
+
+
+int main(int argc, char **argv) {
+    int i;
+
+    cmnd = argv[0];
+
+    if (argc <= 1) usage();
+
+    for (i = 1; i < argc; i++) {
+	time_t t = strtoul(argv[i], NULL, 0);
+	struct tm *tmp;
+	char buf[32];
+
+	printf("%lu\t", t);
+	tmp = localtime(&t);
+	strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S %Z", tmp);
+	printf("%s\n", buf);
+    }
+    return 0;
+}