A free program for Android, by Blowbend-Jp.

TiZo is a simple world clock app that lets you track the current time in any city and the world. It has a beautiful design and a very intuitive interface, so it’s very easy to use. You can choose from various time zones, including daylight saving time and the standard time. You can also choose from various cities, such as New York, London, Paris, San Francisco, Toronto, Sydney, Tokyo, Chicago, Washington, Berlin, Brussels, Moscow, New Delhi, Mumbai, and so on. You can also choose from the world clock, which is the most important thing.

To change the time zone, you need to set it in the settings. To change the date, you need to tap the date in the main screen.