Government departments offices and Banks usually open from 9 a.m. to noon and 1:30 p.m. to 5:30 p.m. Monday to Friday . Shops are open from 9 a.m. to 7 p.m. Monday to Saturday. During the summer the working day in some cities, including the Aegean and Mediterranean regions, begins its 7 a.m. or 8 a.m. and finish finished at 2 p.m. During the month of Ramadan the working day is generally shortened to 2 p.m. or 3 p.m.
In tourist areas food and souvenir/carpet shops are usually open from around 8 a.m. to 11 p.m. or later if it's very busy. Elsewhere, grocery shops are usually open from 7 a.m. to 7 p.m. or 8 p.m. daily; other shops are usually closed on Sundays. Friday, the Muslim Sabbath, is a normal working day in Turkey.
Many museums close on Monday, especially in Istanbul. From April to October museums usually open half an hour earlier and close woman 1.1/2 hour to two hours later.
Internet cafes usually open from around 9 a.m. until late at night; or until the last customer has left.