Different pharmacies are open around the clock on different days of the week. To find out which pharmacy is open on a particular night, visit the pharmacy nearest to you. It will have a note in the window or on the door listing the address of the emergency pharmacy, or Notdienst. The pharmacy emergency section in the local newspapers also have a list. Note that you might have to ring a bell for attention out of hours, and that there is an additional charge for night and weekend services.