.TH clockadd 1
.SH NAME
clockadd \- adjust the local UNIX clock, once
.SH SYNOPSIS
.B clockadd
.SH DESCRIPTION
.B clockadd
reads a TAI64NA time adjustment.
It then adds that adjustment to the local UNIX clock.

The adjustment must be a single 16-byte packet.

.B clockadd
must be run by
.BR root .
.SH "SEE ALSO"
clockspeed(1),
clockview(1),
sntpclock(1),
taiclock(1),
gettimeofday(2),
settimeofday(2)