WWV(1) WWV(1)
NAME
wwv - print or set the date from accurate clock
SYNOPSIS
wwv [ option ... ]
DESCRIPTION
Wwv connects to a clock synchronized with a time standard.
With no argument it prints the time obtained. It accepts
these options:
-b Print both the WWV time and the system's current idea
of the time.
-s Set the system's time to agree with WWV. Only the
super-user can do this. The system time cannot be
changed by more than 20 minutes.
-f With -s, force the time to be set by WWV even if the
local time disagrees by more than 20 minutes.
-u Report time in GMT rather than local time.
FILES
to record time-setting; see utmp(5)
SEE ALSO
date(1), time(2), stime(2)