How to fix Your connection is not private error in Opera browser?

How to fix Your connection is not private? Attackers might be trying to steal your information from ........ (for example, passwords, messages, or credit cards). NET::ERR_CERT_DATE_INVALID Help me understand This server could not prove that it is .; its security certificate expired 12 days ago. This may be caused by a misconfiguration or an attacker intercepting your connection. Your computer&clock is currently set to Monday, September 13, 2021. Does that look right? If not, you should correct your system&clock and then refresh this page. Proceed to ....... (unsafe)