Our combo ticket grants you flexibility, remaining valid for an impressive 3 days from the date of your first use. Explore Hagia Sophia & Topkapi Palace and Basilica Cistern. For Topkapi Palace, you are eligible to join one of the following timed entry slots for your chosen date at Topkapi Palace: 9:30AM, 10:30AM, 11:00AM, 11:30AM, 12:30PM, 1:00PM, 1:30PM, 2:30PM, 3:00PM, 3:30PM, 4:00PM. After meeting your host, you will enter the Topkapi Palace and Harem together. This is for the Topkapi Palace only. The Hagia Sophia and Basilica Cistern tickets will be sent to you by e-mail 1 day before the tour date you have chosen. You can use your tickets for the Hagia Sophia and Basilica Cistern at any time between 9:00 am - 6:00 pm, but it is mandatory to meet with the host for Topkapi Palace.