HOW TO FIX: HTTP query failled [curl-error : 60 – SSL certificate problem: certificate is not yet valid ] for the following URL [solved]

Using Linux Ubuntu Virtuale Maschines i am sometimes faceing the Problem of SSL certifcates: “HTTP query failled [curl-error : 60 – SSL certificate problem: certificate is not yet valid ] for the following URL” Fixing the time solves the problem in most cases: sudo ntpdate -u ntp.ubuntu.com