Timediff app for iPhone and iPad

When making appointments with foreign friends, you always have to calculate the time difference, which is easy to make mistakes.
Timediff helps you plan your time.
Add the time zones where multiple foreign friends are located, and visually display the time overlap intervals of multiple time zones in a card-style display.
Analyze recommended overlapping intervals for communication.
Share so that the other person can also see the suggested time period.
Just set up multiple display methods.
A simple and useful application with beautiful display, you are welcome to download and use it.