stime(2) System Calls Manual stime(2) NAME stime - set time SYNOPSIS #include [[deprecated]] int stime(const time_t *t); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): stime(): Since glibc 2.19: _DEFAULT_SOURCE glibc 2.19 and earlier: _SVID_SOURCE DESCRIPTION NOTE: This function is deprecated; use clock_settime(2) instead. stime() sets the system's idea of the time and date. The time, pointed to by t, is measured in seconds since the Epoch, 1970-01-01 00:00:00 +0000 (UTC). stime() may be executed only by the superuser. RETURN VALUE On success, zero is returned. On error, -1 is returned, and errno is set to indicate the error. ERRORS EFAULT Error in getting information from user space. EPERM The calling process has insufficient privilege. Under Linux, the CAP_SYS_TIME privilege is required. STANDARDS None. HISTORY SVr4. Starting with glibc 2.31, this function is no longer available to newly linked applications and is no longer declared in . SEE ALSO date(1), settimeofday(2), capabilities(7) Linux man-pages 6.7 2023-10-31 stime(2)