Today is the vernal equinox, which means that everywhere in the world will get roughly the same amount of daylight today.
Since the autumnal equinox back in September, every day in Edinburgh has been shorter than we're used to, having spent most of the last 25 years between 35 and 45 degrees north. In December, the days were really short--full dark by 4:30 most days. From now, however, every day will be longer than we're used to--not by much at first, but by June it won't actually ever get fully dark.
Just another reminder of how far north we are here in Scotland: if you drew a line across the globe straight West from here, it would pass through Labrador in Canada and through the very southern part of Alaska and the Aleutian Islands.