According to the National Ordinance of shop closing hours, it's prohibited to have a shop open to the public on:
a) Sundays and certain holidays- and memorial days;
b) on other days before 6.00 hrs. and after 18.30 hrs.
On request an exemption can be granted for the shops to be opened during the week till 24:00 hrs. (midnight) and on Sundays and certain holidays- and memorial days from 9:00 to 22:00 hours.