Many attractions in Finland only open for a short summer season, typically mid-June to late August. Opening hours tend to shorten in winter in general.
Alko (state alcohol store) 9am–8pm Monday to Friday, to 6pm Saturday
Banks 9am–4.15pm Monday to Friday
Businesses and Shops 9am–6pm Monday to Friday, to 3pm Saturday
Nightclubs 10pm–4am Wednesday to Saturday
Pubs 11am–1am (often later on Friday and Saturday)
Restaurants 11am–10pm, lunch 11am–3pm. Last orders are generally an hour before closing.