Online stopwatch. Easy to use and accurate stopwatch with lap times and alarms. Optional split intervals and alarm sound.

A free, easy to use stopwatch with start alerts, split times and intervals. Edit laps with a single click and without interrupting the timer. Keep track of lap times by recording s

Timer online with alarm. Create one or multiple timers and start them in any order. Set a silent timer clock or choose a sound.

Free, simple online stopwatch with start alerts, lap times, and sounds. Time your activities and save your timings in a text file.

A guide to all things time zones and Daylight Saving Time on timeanddate.com—including which countries use DST, local time worldwide, a time zone converter, and meeting planner.

Online Stopwatch Time your activities. With start alerts, lap times, and alarm sound.

Timers Stopwatch Timer Countdown to Any Date Valentine's Day Countdown Chinese New Year Countdown New Year Countdown Countdown for Your Site Calculators Date to Date Calculator …

Explore our online timers and countdown tools. Create your own countdown or use our pre-made countdowns to popular events.

Your one-stop shop for the solar system and space. Find everything from sunrise & moonrise times to how to see planets & meteors—from any location on Earth.

iPad Apps, iPhone Apps, Android Apps and Facebook Apps as well as API, plugins and addons for other sites.