[CentOS] Sync hardware clock

> Does any know of a way to sync the hardware clock without a reboot?

You can use hwclock for a number of hardware clock related actions. In
this case hwclock --hctosys or hwclock --systohc depending on the
direction. man hwclock for all sorts of fun and excitement related to
your clock.


-- 
During times of universal deceit, telling the truth becomes a revolutionary act.
George Orwell