12pm in Madrid is 11am in London

When it’s 9am in London, it’s 10am in Madrid. Madrid is 1 hour ahead London. Both cities follow European daylight saving time, so the offset stays consistent year-round. The best time to schedule calls between the two cities is 9am to 5pm London time (which is 10am to 6pm in Madrid). Travelers and commuters moving between London and Madrid should mentally bookmark the offset to avoid missed connections or double-booked meetings across zones. With a small gap, neither city bears a heavy scheduling burden, and both can usually accommodate calls without unusual flexibility. Keeping a world-clock widget pinned to your phone or desktop is the fastest way to stay accurate when crossing between these two zones frequently.