Clocker

Clocker is a menu-bar utility designed to help you keep track of your friends in different time zones. It's open-source and completely free of ads. Features Add any timezone you want Customize time zones with your own labels Relatives dates (e.g., today, tomorrow, yesterday) Drag and drop time zones to rearrange Hundreds of time zones are included 24-hour times or AM/PM are both supported Designed to work efficiently with 10 time zones Optimized for Dark mode and Retina displays