Hafnarborg is open as usual, until Christmas, everyday except Tuesdays, 12–5 p.m. The opening hours during the holidays are as follows:

December 23rd: open 12–5 p.m.
Christmas Eve: closed
Christmas Day: closed
December 26th: closed
December 27th: open 12–5 p.m.
December 28th: closed
December 29th: open 12–5 p.m.
December 30th: open 12–5 p.m.
New Year‘s Eve: closed
New Year‘s Day: closed

Please note that the office of Hafnarborg will be closed during the holidays. Regular opening hours will resume from January 2nd. Entry is free and everyone welcome.