Business Days Calculator counts the number of days between two dates, with the option of excluding weekends and public holidays. Interactive night sky map for any location. Which planets, stars, constellations, and comets are visible tonight? Online stopwatch. Easy to use and accurate stopwatch with lap times and alarms. Optional split intervals and alarm sound. Calculate moonrise and moonset times, Moon direction, as well as the altitude, distance and when the moon passes the meridian. 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. Calculate local times for sunrises, sunsets, meridian passing, Sun distance, altitude and twilight, dusk and dawn times. How many days until New Year? Watch our timer count down to the new year, showing days, hours, minutes, and seconds ticking down to zero. Online Stopwatch Time your activities. With start alerts, lap times, and alarm sound. Timer online with alarm. Create one or multiple timers and start them in any order. Set a silent timer clock or choose a sound. Tools Years with Same Calendar as 2026 Customization Forms Customize this calendar–large – advanced form with more choices Customize this calendar – classic, basic form Change your settings for timeanddate.com – customize your country and time zone.