systemd-timesyncd can do similar things. timesyncd.conf allows for periodically updating the timestamp even without an NTP server responding (although this is fairly new, first appearing in systemd 250): https://www.freedesktop.org/software/systemd/man/latest/timesyncd.conf.html#SaveIntervalSec=
systemd-timesyncd can do similar things. timesyncd.conf allows for periodically updating the timestamp even without an NTP server responding (although this is fairly new, first appearing in systemd 250): https://www.freedesktop.org/software/systemd/man/latest/timesyncd.conf.html#SaveIntervalSec=