[Unit]
Description=Network time with rdate
After=syslog.target network.target

[Service]
Type=oneshot
RemainAfterExit=yes
EnvironmentFile=/etc/conf.d/rdate
ExecStart=/usr/bin/rdate -s -t $RDATE_TIMEOUT $RDATE_OPTS $RDATE_SERVER

[Install]
WantedBy=multi-user.target