Opening hours Svartiskiosken are open every day from 11.th of june to 28.th of august. During the season, the openinghours vary as follows: June 11th. to June 30th. 09.45 – 17.15 July 1st. to August 19th. 09.45 – 19.15 August 20th. to September 2nd. 09.45 – 17.15