FWIW, I checked my laptop's clock and it is showing the correct time. But when I load the mining page and it starts mining, the page just keeps endlessly reloading without showing the remaining time. It works fine on my desktop.

(Ozycash is a pain to deal with, he spams the Farm Satoshi chat as well with non-value added messages, mostly complaining about complaining and abusing anyone who doesn't speak English. At least here we have the Ignore option, and those who can avail themselves of it may want to do so.)