The Clock is a premium world clock with the following features:
- Keep track, easily and efficiently of your contacts in different time zones.
- Have a quick view on a Calendar, which can be integrated with the system Calendar.app
- Easily setup meetings with the Meeting Planner.
- Have a highlight on the Business Hours and Holidays of your subcontractors, customers, ...
- Highly customizable.
- Be reminded when to Take a Break and relax.
- Full Trackpad integration, swipe to travel trough time. The World Clocks
- AM/PM or 24Hours.
- Analog or Digital Clock view.
More...
Compatibility: macOS 10.12 or later 64-bit
Mac App Store:

https://geo.itunes.apple.com/app/id488764545