Optional split intervals and alarm sound. Welcome to the world's top site for time, time zones, and astronomy. Edit laps with a single click and without interrupting the timer.
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A free, easy to use stopwatch with start alerts, split times and intervals. Keep track of lap times by recording splits in a text file. 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.
Business days calculator counts the number of days between two dates, with the option of excluding weekends and public holidays. Organize your life with free online info and tools you can rely on. Easy to use and accurate stopwatch with lap times and alarms. Future changes are usually incorporated into.
