diff --git a/libexec/rc/rc.subr b/libexec/rc/rc.subr
--- a/libexec/rc/rc.subr
+++ b/libexec/rc/rc.subr
@@ -1259,6 +1259,9 @@
 				nfsd)
 					_svcj_cmd_options="allow.nfsd enforce_statfs=1 ${_svcj_cmd_options}"
 					;;
+				settime)
+					_svcj_cmd_options="allow.settime ${_svcj_cmd_options}"
+					;;
 				sysvipc)
 					_svcj_sysvipc_x=$((${_svcj_sysvipc_x} + 1))
 					_svcj_cmd_options="sysvmsg=inherit sysvsem=inherit sysvshm=inherit  ${_svcj_cmd_options}"
diff --git a/share/man/man5/rc.conf.5 b/share/man/man5/rc.conf.5
--- a/share/man/man5/rc.conf.5
+++ b/share/man/man5/rc.conf.5
@@ -22,7 +22,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd April 14, 2025
+.Dd April 15, 2025
 .Dt RC.CONF 5
 .Os
 .Sh NAME
@@ -5009,6 +5009,9 @@
 have not had jail functionality added to them.
 .It nfsd
 Allows to run nfsd and affiliated daemons.
+.It settime
+.\" 'slew' is an NTP term meaning to slowly adjust a monotonic clock.
+Allows to set and slew the system time.
 .It sysvipc
 Inherits the SysV semaphores, SysV shared memory and
 SysV messages from the host or the parent jail.