Bank Services: In general Banks are open between 8,30 - 17,30 from Monday to Friday.
Electricity: The electricity supply is 220 V, 50 Hz, with the type of sockets which are standard in most European countries.
Shopping: Almost all of the shopping centers are open every day until 22.00 hours.
Drinking water: Although it is safe to drink tap water, it is recommended to buy bottled drink water which can be found almost everywhere at stores. There are several supermarkets in Besiktas which is 15 minutes on walk from GS University. You can safely brush your teeth with tap water.
Time Zone: The time zone is 1 hour later from Central European Time Zone, 2 hours later from the Greenwich Mean Time.
Safety: Beware of dangerous and inconsiderate driving, especially when crossing roads. Even if you are on a pedestrian crossing, look carefully before crossing. Turkey is a comparatively safe country as far as crime is concerned, but it is best to take reasonable precautions against pickpockets in crowded areas.
Language: In Turkey the official language is Turkish. The Turkish language comes from Central Asian Languages Family and very different from the european languages. The Turkish alphabet is based on the latin alphabet. In general, in Istanbul many people talk English and you can easily communicate with other people. As Istanbul is a touristic city you can find many tourism offices.