diff --git a/inc/time.h b/inc/time.h
new file mode 100644
index 0000000..df2442a
--- /dev/null
+++ b/inc/time.h
@@ -0,0 +1,42 @@
+#ifndef _RTLIBC_TIME_H
+#define _RTLIBC_TIME_H
+
+
+#include <stdint.h>
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+typedef uint64_t time_t;
+typedef uint64_t clock_t;
+
+
+struct tm
+{
+	int32_t tm_sec;
+	int32_t tm_min;
+	int32_t tm_hour;
+	int32_t tm_mday;
+	int32_t tm_mon;
+	int32_t tm_year;
+	int32_t tm_wday;
+	int32_t tm_yday;
+	int32_t tm_isdst;
+};
+
+
+clock_t clock(void);
+
+struct tm* gmtime(const time_t* time);
+struct tm* gmtime_r(const time_t* time, struct tm* tms);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif