- 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.
A MATTER OF TIME When do the clocks change in 2018, when do they go forward and do I gain or lose an hour of sleep? The clocks will go forward in the early hours of March 25 to mark the start of BST, with the days getting longer