App: WorldTimes 4
Developer: Tomoyuki Okawa
Genres: Lifestyle, News

WorldTimes 4 comes with a vast world map where more than 100 digital clocks are shown. Each rectangular box, which we call a city view, shows the name of a city, the current time or the date and the time difference between the city and Greenwich Mean Time or between the city and your local time.


- What’s new? -

1. The application is completely rewritten in Swift.
2. WorldTimes 4 covers more than 100 cities around the world.
3. A city view may have a sun symbol indicating the area is currently under the daylight saving time.
4. The application is free to use with no restrictions for the first week. A single purchase of an in-app product will let you continue to use the application for good after a trial period ends.
5. A city view where the corresponding city is under the daylight saving time shows a sun symbol.
6. Double-click on a city view to show the corresponding city on a map.


- Features -

1. Explore the vast world map covering 100+ cities.
2. Select one of eleven languages in showing city names.
3. Select one of nine pre-defined regions to quickly move to a region on the map.
4. Create a custom region.
5. Switch between the time and the date for all 100+ cities by selecting a radiobutton.
6. Switch between the 12-hour time format and the 24-hour time format for all 100+ cities by selecting a radiobutton.
7. Switch between two time difference systems for all 100+ cities by selecting a radiobutton.
8. A city view with a sun symbol indicates that the corresponding time zone is under the daylight saving time.
9. Double-click on a city view to show a window sheet with a map locating the corresponding city.
10.Save a list of the current time for all 100+ cities as a text file.
11.The application supports the dark mode.
12.The fullScreen mode is supported.
13.The application supports the retina screen. (tested with 2019 3 GHz 27″ iMac)
14.Languages: English only.
15.Application file size: 46.7 MB.
16.Click on the push button in the Home screen titled ‘User’s guide for WorldTimes 4’ to learn how to use the application.


- System requirements -

1. 10.14 (tested), 10.15 (tested with 10.15.4 Beta, 10.15.7)
2. 64-bit system
3. 200 MB or more of free memory for a non-retina display machine, 400 MB or more of free memory for a retina display machine


- Limitations -

1. The application is free to use with no restrictions for the first week. After the first week, the application will briefly show the time for each city and then return question marks in 10 seconds.
2. Suva (Fiji) shows the time with +13 hours from GMT although the country has not used the daylight saving time for nearly a decade.  It's up to Apple to make changes.

Release notes:
1. A series of minor changes are made with the latest version of Xcode.