Not strtotimeval() in Ubuntu. Use strptime.
diff --git a/date.c b/date.c
index 47c044a..ae9282f 100644
--- a/date.c
+++ b/date.c
@@ -118,10 +118,10 @@
         }
 #endif
 #endif
-        //strptime(argv[optind], NULL, &tm);
-        //tv.tv_sec = mktime(&tm);
-        //tv.tv_usec = 0;
-        strtotimeval(argv[optind], &tv);
+        strptime(argv[optind], NULL, &tm);
+        tv.tv_sec = mktime(&tm);
+        tv.tv_usec = 0;
+        //strtotimeval(argv[optind], &tv);
         printf("time %s -> %d.%d\n", argv[optind], tv.tv_sec, tv.tv_usec);
 #ifdef ANDROID_ALARM_SET_RTC
         fd = open("/dev/alarm", O_RDWR);