Istanbul Metropolitan Municipality announced a new update about public transportation. According to the Mayor, there will be subway services at the night hours. Here are the details…
First of all, you can use them only at nights of weekends and formal holiday days.
Weekends: There will be regular runs from Friday morning to the night. Then, late night services will begin and continue until Monday morning.
Formal Holiday Days: They announced for 2019: 30th of August, 29th of October, and 1st of January in 2020.
Here is an example: October (Ekim)
M1A Yenikapı-Atatürk Havalimanı
M6 Levent-Boğaziçi Ü./Hisarüstü
You can look at these lines at the relevant graphic that is copied from the municipality.