In 2025, the change to winter time will occur on Sunday, October 26th, at 2:00 AM.
In Mainland Portugal and the Autonomous Region of Madeira, the change to winter time will occur in the early hours of October 26th, 2025, when clocks will be set back from 2:00 AM to 1:00 AM.
In the Azores, the change to winter time occurs slightly differently due to the time zone difference. On October 26th, 2025, the change will occur one hour earlier: at 1:00 AM, clocks will be set back to midnight.