diff --git a/uisimulator/win32/timefuncs.h b/uisimulator/win32/timefuncs.h
new file mode 100644
index 0000000000..c1b6ef8196
--- /dev/null
+++ b/uisimulator/win32/timefuncs.h
@@ -0,0 +1,4 @@
+#include <time.h>
+
+/* struct tm defined */
+struct tm *get_time(void);