WorldTimeServer.com features the free 24Hr World Clock desktop app for Windows 7 and Vista, while timeanddate.com lets Windows 8 and 10 users download its free World Clock app from the Windows Store. Other freeware world clock options include Wim's World Clock 3.0 and offerings from TimeLeft.com and InstantTimeZone.com.
Wim's World Clock 3.0 provides users with the time in places all over the world and also includes Swatch Internet time, the Julian date and the StarDate. The free world clock from TimeLeft.com lets users choose between a floating desktop clock and replacing the taskbar tray clock with the world time, and it also offers choices between standard and military time. The version from InstantTimeZone.com gives users multiple display options, including multiple clocks for multiple time zones.