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

Online Stopwatch, with start alerts, lap times and sounds. Save details of your timings in a text file.

The Duration Calculator calculates the number of days, months and years between two dates.

World time and date for cities in all time zones. International time right now. Takes into account all DST clock changes.

Moon phases for 2026 or any year. New Moon and Full Moon calendar with precise times and simulation of the Moon phase today. When is the next Full Moon?

Set the current time of your favorite locations across time zones.

Use the World Clock Meeting Planner to find a suitable time to have a telephone conversation, web cast, or meeting with participants in many time zones.

Find the exact time difference with the Time Zone Converter – Time Difference Calculator which converts the time difference between places and time zones all over the world.

Interactive night sky map for any location. Which planets, stars, constellations, and comets are visible tonight?

Calculate local times for sunrises, sunsets, meridian passing, Sun distance, altitude and twilight, dusk and dawn times.