- Linux Mint is a free and open source operating system (OS) distribution based on Ubuntu and Debian for use on x-86 x-64-compatible machines.
During British Summer Time (BST), civil time in the United Kingdom is advanced one hour forward of Greenwich Mean Time (GMT) (in effect, changing the time zone from UTC+0 to UTC+1), so that evenings have more daylight and mornings have less.
In North America, Central Standard Time (CST) refers to a time which is followed in the Central Time Zone. CST means a standard time where six hours is subtracted from GMT (UTC/GMT â6), and during daylight saving time (DST), five hours is subtracted from GMT (UTC/GMT -5).