Please be aware that
Daylight Saving Time (DST) is not used in Istanbul.
Without DST clocks do not change in Istanbul, keeping the same UTC offset throughout the year.
Facts About Istanbul
Information for Travelers
Istanbul is an important Turkish city on the Bosphorus, which is at the interface between Europe and Asia.
Coveted by empires over the centuries, spanning Europe and Asia, Istanbul is one of the world's great metropolises.
Founded around 1000 BC, the colony of Byzantium became the great capital of the Byzantine Empire, Constantinople.
After the city's conquest by the Ottomans, it retained its glorious place as the heart of their empire.
The city was officially renamed Istanbul after the founding of the Turkish Republic.
Istanbul retains the glorious remnants of its long and illustrious history and its tourist attractions will impress even the most monument-weary visitor.
The Hagia Sophia Mosque, Topkapi Palace, Blue Mosque and Grand Bazaar are famous sights known as the big four.
Culture
The old town reflects the cultural influences of various empires that have ruled the city over time.
For centuries, chariot races were held at the open-air Roman hippodrome in the Sultanahmet district.
The Egyptian obelisks are also preserved, in addition to the famous Byzantine Hagia Sophia has a high dome from the 6th century and rare Christian mosaics.
Read about Istanbul in Wikipedia