Shop opening hours were deregulated in 2016 and shop owners are allowed to set their opening hours freely.
However, department stores and many chain stores are normally open from 9 a.m. to 9 p.m. Monday to Friday, and from 9 a.m. to 6 or 7 p.m. on Saturdays, and from 12 noon to 6 p.m. on Sundays.
Many stores close at 6 p.m. days before public holidays.
On Finnish public holidays, almost all stores are closed. However some food stores located under Helsinki Central Railway Station and at the Kamppi bus terminal will keep their doors open.
Post offices are open from 9 a.m. to 6 or 8 p.m. on weekdays. Open-air markets begin trading at 6.30 a.m. on weekdays and Saturdays, and close at 3 p.m.
The Helsinki Market Square stays open until 4 p.m. on weekdays and Saturdays, and it is also open on summer Sundays.