Gündüz (GURN-durz) means Day (06:00 am to 23:59 (11:59 pm) The drop rate is YTL2, and each kilometer YTL1.3 Gece (GEH-jeh) means Night (24:00/12:00 am midnight to 05:59 am) The drop rate is YTL3, and each kilometer YTL1.95 The "Gündüz" fare for the 15- to 25-minute ride between Sultanahmet and Taksim Square is about YTL10. For the 35- to 75-minute ride from Atatürk Airport to Sultanahmet the Gündüz fare is about YTL20 to YTL25. From the airport to Taksim Square, about YTL25 to YTL30.