There is no clock more efficient than the ones used by the military, and they prefer clocks using the 24 hour format. The Military Alarm Clock from Military Online Clock shows you the time using this same system. It also has a useful alarm clock function. - (Read more)

Online Clock offers a binary alarm clock which display the current time in a binary format. Can you figure out how to read the time on a binary clock? Set an alarm using the binary clock's alarm function. Our binary alarm clock is a useful alarm clock. - (Read more)

Alarm clocks online, timers, countdowns, and an online stopwatch: these are the online alarm clocks you can use for free at Online Clock. OnlineClock is the world's most popular web-based internet alarm clock site. Try our online clocks & alarms today. - (Read more)

When is your wedding anniversary? Your wife's birthday? These are things you don't want to forget. The online countdown clock is a tool that helps to remind you. Set your target date & time & then relax. The countdown clock will remind you. - (Read more)

Our stopwatch online offers stop, start, split and reset functions and has many options for customizing the stopwatch's size and background color. Bookmark our stopwatch so that you always have a stopwatch available whenever you need one. Free to use. - (Read more)

Provides current local time information for all cities and countries around the world. Site also includes Google city maps and detailed three days weather forecasts for the location. - (Read more)