Madrid is always 1 hour ahead of Lisbon. When it's 9:00 AM in Lisbon, it's 10:00 AM in Madrid. Both observe DST on the same schedule, maintaining the 1-hour difference year-round.
Despite being neighbors, Portugal uses WET/WEST while Spain uses CET/CEST.
Business hours overlap almost completely! 9:00 AM - 6:00 PM Lisbon corresponds to 10:00 AM - 7:00 PM Madrid. Iberian business coordination is straightforward.
Lisbon and Madrid are connected by frequent 1-hour flights and trains. Iberia, TAP, and Renfe operate multiple daily services between the Iberian capitals.