Time zones are created to ensure members of a global community can communicate and trade with each other effectively. Today, time zones have many uses, but several people still face problems when they travel across different time zones or when they work with networking systems that need to adjust their time differences.
Difference between local and system time zone
Websites may detect your time zone in two ways: the time zone of your computer or the time zone defined by your Internet Protocol (IP) address.
Time zones from a security perspective
When you use a proxy server, the server's local time may not match your computer's local time. This can prompt a website to question the validity of your session.