If you're gonna nitpick...

In article , says...
Why so many "it might be this" or "it might be that" or
"time is updated from the internet"? Every posts says nothing
useful AND does not answer the OPs question.

You apparently didn't read *all* the replies, but more to your
question, a lot of people with too much time on their hands and
too little knowledge to be useful feel compelled to type when
you put a keyboard before them. Must be an ego thing...

snip
Why do the battery powered clocks in personal computers tend
to keep worse time than quartz watches, even the $1 ones?

See that word "might" ?

No, I don't. Where do you see it?

snip
But even worse, he posted without reading the answer that was
already posted. He did not read every previous post before replying.

UseNet is arcane and slow, so messages may take hours or even
days to propagate through the system. In some cases, it is
even possible to see replies before the original question.
You cannot tell much about what posts someone else has seen
from the time of appearance on *your* screen.