
Description: 24 Time Zones is a free web app that displays the current time in 24 major time zones around the world. It has a clean, easy-to-read interface showing the location, local time, date, and day of the week for each zone.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: World Time Buddy is a simple web-based tool that allows users to compare time zones and plan calls or meetings across time zones. It displays a grid showing the local times in different cities so people can easily coordinate schedules across regions.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API