Polish Pharmaceutical Law (art. 94, amended 2023) defines two types of duty: night duty (at least 2 consecutive hours between 19:00–23:00) and holiday duty (at least 2 hours between 10:00–18:00 on Sundays and public holidays).
🌙 Night duty
Pharmacies open ≥2 hours between 19:00–23:00 on weekdays — 3 in Poznań