The remote pilot will be able to rely on solar activity:

Question

Question EASA Drone Quiz - Meteorology

QuizVDS · Accepted Answer

Yes, but only if the UAV we will use is equipped with a flight terminator

QuizVDS · Answer

The level of visibility

QuizVDS · Answer

Yes, but only with UAVs weighing less than 250 grams

QuizVDS · Answer

Yes, provided that it has also obtained CAA authorisation

Id 453 - EASA Drone Quiz – Drone Pilot Certification - The remote pilot will be able to rely on solar activity: