This should typically work on 5.0.x:

On 5.0.2, in your footer template, find:

HTML-Kodu:
<div id="footer-copyright">
Add after
HTML-Kodu:
<div id="timeisstupid" class="gd-time h-left">All times are GMT<vb:if condition="$user['timezoneoffset'] != 0">{vb:raw user.timezoneoffset}</vb:if>. This page was generated at {vb:date 'timenow', {vb:raw vboptions.timeformat}}.</div>
Save, (ignore the error about you violating the copyright, old messages are stupid).

You should see the time as shown in the tiny preview.


I use generated at, because the guest cache by default is 10 min long, makes it more clear that the page might be cached in some cases.