The time will change to the summer regime on Sunday morning. The night of March 31st will be shorter, since the clocks will advance one hour.
In mainland Portugal and in the Autonomous Region of Madeira, at 1:00 am we advance the clock by 60 minutes, moving to two in the morning.
In the Autonomous Region of the Azores, the Legal Time will change at midnight, changing to 1:00 am on Sunday morning.
the time loses now it will be again wins on October 27th, which is also a Sunday, when the changeover from summer to winter takes place.