System time - dpopchev/howto-quick-setup-gentoo GitHub Wiki
grep -P clock= /etc/conf.d/hwclock # check if set to UTC
emerge -a chrony
tell chronyd that the machine will be assumed to have gone offline when 2 requests have been sent to it without receiving a response.
sed -i -nr 's/iburst$/& auto_offline/g; p;' /etc/chrony/chrony.conf
In such case re enable polling wiht
chronyc online
Use UTC:
sed -i -r '$a\\n# assume UTC\nrtconutc' /etc/chrony/chrony.conf
add service to default runlevel
rc-update chronyd start
rc-update add chronyd default