# yum install ntp
e.g. check from https://www.pool.ntp.org/zone/europe
-> Add specific pool zones into config file if they are not existed
# vi /etc/ntp.conf
server 0.europe.pool.ntp.org
-> Enable service
# systemctl enable ntpd
-> Run service
# systemctl start ntpd
-> Lastly, check the service and the settings
# timedatectl