Madrid is 1 hour ahead of London. London uses GMT/BST while Madrid uses Central European Time (CET/CEST). When it's 12:00 PM in London, it's 1:00 PM in Madrid.
Both cities observe daylight saving time on the same schedule, so the 1-hour difference remains constant year-round.
Best calling time: 8:00 AM - 4:00 PM London time. This corresponds to 9:00 AM - 5:00 PM in Madrid, covering Spanish business hours.
London and Madrid are connected by direct flights taking about 2.5 hours. Spain is one of the top tourist destinations for UK travelers, and Madrid serves as a major European business hub.