https://wccftech.com/macos-big-sur-releasing-today-check-release-time-in-your-region/

The full and final version of macOS Big Sur is all set to release in a few hours from now. You can check when it will land in your region.

Apple's next-generation operating system for the Mac - macOS Big Sur - is all set to land on Macs around the globe at 10am PST later today. While you can easily convert that timezone in your head, but we are going to save you from that trouble and present you a chart with all the major cities / regions, highlighting exactly when the new update will drop.