Используйте приложение APKPure
Историческую версию World Clock 2019 - Available To Set Date and Time можно получить на Android
Используйте последнюю базу данных часовых поясов без рута. Можно установить не только время, но и дату.
Most of the timezone converter only support set time.
But in this app, you can set a date.
Just update this app, then you can get the latest database.
We use the latest IANA Time Zone database which was updated 1st July 2019.
No need network to use it. It works on offline.
You can see it is summer time or not.
Let's find another country's date and time.