Online Stopwatch What Can I Use It For? The Online Stopwatch is an easy to use and versatile timer that can be used for sports, cooking at home, at work, or in the classroom. Time a run, a conference talk or the duration it takes for you to cook the perfect steak. Online stopwatch. Easy to use and accurate stopwatch with lap times and alarms. Optional split intervals and alarm sound. Business Days Calculator counts the number of days between two dates, with the option of excluding weekends and public holidays. Create a Countdown Timer that counts down in seconds, minutes, hours and days to any date, with time zone support. It also counts up from a past date. The Date Calculator adds or subtracts days, weeks, months and years from a given date. Calendars – online and print friendly – for any year and month and including public holidays and observances for countries worldwide. Online Stopwatch Time your activities. With start alerts, lap times, and alarm sound. Free, simple online stopwatch with start alerts, lap times, and sounds. Time your activities and save your timings in a text file. Timer online with alarm. Create one or multiple timers and start them in any order. Calculate local times for sunrises, sunsets, meridian passing, Sun distance, altitude and twilight, dusk and dawn times.