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Portugal · Europe/Lisbon
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Lisbon uses Western European Time (WET, UTC+0) in winter and Western European Summer Time (WEST, UTC+1) in summer. It shares the clock with London and Dublin all year. Spain, the only country with which Portugal has a land border, is one hour ahead, so driving from Lisbon to Madrid means changing your watch at the frontier. Portugal’s legal time is kept by the Lisbon Astronomical Observatory.
In 1992 Portugal moved to Central European Time to match its main trading partners. The experiment was unpopular. Winter mornings stayed dark until almost nine o’clock, so children travelled to school at night, and in summer it was still light at half past ten in the evening. The expected energy savings did not appear either. In 1996 the country went back to Western European Time and has stayed there.
Clocks go forward at 01:00 on the last Sunday of March and back at 02:00 on the last Sunday of October, at the same instant as in the rest of the European Union. Madeira follows Lisbon exactly. The Azores, about 1,400 kilometres out in the Atlantic, are one hour behind the mainland all year, on UTC−1 in winter and UTC+0 in summer. New York is five hours behind Lisbon for most of the year.
Dates reflect the rules in force when this page was last updated. Governments can change them at short notice.
Use the actual meeting date. Seasonal clock changes can alter the time difference.
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