Portugal is in the Western European Time Zone ( WET / WEST ) and observes Daylight Saving Time (DST) / Summer Time. Local time is GMT (GMT +1 from last Sunday in March at 1:00 am GMT and ends on the last Sunday in October at 2:00 am GMT). The Azores use a different time zone than the mainland Portugal. The Azores are GMT -1. Be sure to set your watches correctly to local time to avoid any confusion or mishaps.