BANKING & CURRENCY:
The official currency of Finland is the Euro. Banks are open from Monday to Friday between 10am and 4:00pm. For cash withdrawal, please look for the sign OTTO, which accept almost all credit cards.
Banks open early in the morning, around 10.00am, but close for the day at 4pm.
Finns eat early compared with typical European standards. Most restaurants in Helsinki serve lunch from 11pm until 1.30pm and dinner from 5pm to 9.00pm.
Most shops and shopping centers in Helsinki are open on weekdays from 08am to 8:00pm, with the exception with most grocery stores that tend to open earlier and close at 10pm. On Saturday, most shops are open from 10am to 6pm. On Sundays, some shops are open from noon to 6pm.
The majority of bars, clubs, nightclubs and discos in Helsinki are open from Thursday to Saturday from 10pm on. Some places open much earlier than that. Bars usually open in early afternoon. Clubs will open at 8-9pm, especially if there is a band playing.
The closing time depends from one club to another, although it is normal to last up until 3:30 am.
In Helsinki the norm is 220 V (230 V), 50 Hz, the European standard. A two-pin plug system is used.
In the summer, the days are long starting from the second half of June. In July, the maximum daytime temperature is about 25°C (70°F) and the minimum nighttime temperature is 13°C (55°F). There are 18 hours of daylight per day in July. More information about climate and weather in Helsinki can be found at:
http://www.visithelsinki.fi/en/come/welcome-helsinki/climate-and-weather-in-helsinki or
http://en.ilmatieteenlaitos.fi/local-weather.