in London (UK), This page displays the time difference between London (capital of UK) and Madrid (capital of Spain). To see the time difference for other cities in UK and Spain use the time difference calculator to the right.se the GMT time zone converter to convert any city / time zone to all other city /time zones and get the corresponding local times. * Cities observing Daylight Saving Time (DST) / Summer Time. Daylight Saving Time (DST) / Summer Time is taken into account for all time calculations on this site.