Flag Times is a tool to quickly and easily see what time it is in other time zones within the Mac toolbar.
Clockify is best FREE time tracking tool for agencies and freelancers.
Change time on one clock to automatically change the rest. Coordinate your meetings, catch up with friends and see if your mom is awake with Waqt.
Track what time it is for your friends or coworkers in different time zones, all from your Mac's menubar.
Zonerly aims to solve time zone problems. With offline mode and over 50,000 cities supported over the world, you could benefit a lot from it. Planning meetings for distributed team, check current time abroad in different cities, much more time zone converter.
Rdea International Clock is a timeline-based clock to help you quickly work out suitable times across timezones... just drag the timeline.