- 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.
Central Standard Time is the Central Time Zone of the United States of America (USA). Central Standard Time (CST) is 6 hours behind Greenwich Mean Time (GMT-6).n most states in the USA and in most provinces in Canada, Daylight-Saving Time (DST) is observed. During DST CT (or CDT) is 5 hours behind Greenwich Mean Time (GMT-5). After the Summer months Central Time is shifted back by 1 hour to US Central Standard Time (CST) or (GMT-6).