diff --git a/libc/include/time.h b/libc/include/time.h
index 666db0d4e..6b60fd2dd 100644
--- a/libc/include/time.h
+++ b/libc/include/time.h
@@ -1,13 +1,56 @@
 #pragma once
 
+#include <locale.h>
 #include <sys/types.h>
 
 __BEGIN_DECLS
 
+struct tm
+{
+	int tm_sec;
+	int tm_min;
+	int tm_hour;
+	int tm_mday;
+	int tm_mon;
+	int tm_year;
+	int tm_wday;
+	int tm_yday;
+	int tm_isdst;
+};
+
 struct timespec
 {
 	time_t tv_sec;
 	long tv_nsec;
 };
 
+char*		asctime(const struct tm*);
+char*		asctime_r(const struct tm*, char*);
+clock_t		clock(void);
+int			clock_getcpuclockid(pid_t, clockid_t*);
+int			clock_getres(clockid_t, struct timespe*);
+int			clock_gettime(clockid_t, struct timespec*);
+int			clock_nanosleep(clockid_t, int, const struct timespec*, struct timespec*);
+int			clock_settime(clockid_t, const struct timespec*);
+char*		ctime(const time_t*);
+char*		ctime_r(const time_t*, char*);
+double		difftime(time_t, time_t);
+struct tm*	getdate(const char*);
+struct tm*	gmtime(const time_t*);
+struct tm*	gmtime_r(const time_t*, struct tm*);
+struct tm*	localtime(const time_t*);
+struct tm*	localtime_r(const time_t*, struct tm*);
+time_t		mktime(struct tm*);
+int			nanosleep(const struct timespec*, struct timespec*);
+size_t		strftime(char*, size_t, const char*, const struct tm*);
+size_t		strftime_l(char*, size_t, const char*, const struct tm*, locale_t);
+char		*strptime(const char*, const char*, struct tm*);
+time_t		time(time_t*);
+int			timer_create(clockid_t, struct sigevent*, timer_t*);
+int			timer_delete(timer_t);
+int			timer_getoverrun(timer_t);
+int			timer_gettime(timer_t, struct itimerspec*);
+int			timer_settime(timer_t, int, const struct itimerspec*, struct itimerspec*);
+void		tzset(void);
+
 __END_DECLS
\ No newline at end of file