Make your lights turn on when the sun goes down and vice versa! First make sure the Calex app has all permissions. Then check if your time zone is correct. After that you can follow these steps:
Open the Calex app > Head to Smart > Press the plus icon at the top right > Choose ‘When weather conditions change’ > Sunrise/sunset > Press Current City, set your city/street and press OK. > Press sunrise and accept > Press next (top right).